GeographyCBSE Class 12 · International Trade

Major Seaports of India and Their Hinterlands (Class 12 Geography, India: People and Economy, Chapter 8)

Updated 16 October 2026 · Fact-checked

India has 12 major ports (policy set by the Centre) and 200 minor ports (regulated by states). Each major port has a hinterland: Mumbai serves Madhya Pradesh, Maharashtra, Gujarat, Uttar Pradesh and parts of Rajasthan, Paradwip serves Odisha, Chhattisgarh and Jharkhand, and Kolkata serves the Ganga plain and the north-east. Relief ports such as JNPT, Haldia and Kamarajar ease congestion.

Understand Major Seaports of India and Their Hinterlands

Why this topic matters. The syllabus lists "Major seaports of India along with their hinterlands". The map list asks for ten ports and CBSE has set state-wise and feature-based map items and a 5-mark answer on the Mumbai port, so learn each port's site, special feature and hinterland.

1. The setting.

India is surrounded by sea on three sides; water gives a smooth surface for very cheap transport. Many place names end in pattan (port). The west coast has more ports than the east coast.
12 major ports (the Central Government decides the policy and regulates) and 200 minor or intermediate ports (regulated by state governments). Major ports handle the larger share of traffic.
The hinterland (the area a port serves) has no fixed boundary and the hinterlands of two ports may overlap.
Ports became gateways of trade after the European traders and colonisation; the British used them as suction points for resources, and railways linked local, regional, national and international markets. Partition took Karachi (Pakistan) and Chittagong (now Bangladesh); to compensate, Kandla in the west and Diamond Harbour near Kolkata on the Hugli in the east were developed.
Capacity rose from 20 million tonnes in 1951 to more than 837 million tonnes in 2016. Private entrepreneurs have been invited for modernisation.

2. The ports and hinterlands (NCERT order).

Kandla (Deendayal): head of the Gulf of Kuchchh; western and north-western parts of the country; relieves Mumbai; designed for petroleum, petroleum products and fertiliser; the offshore terminal at Vadinar reduces pressure on it.
Mumbai: natural harbour, the biggest port; 20 km long, 6 to 10 km wide, 54 berths, the country's largest oil terminal; hinterland Madhya Pradesh, Maharashtra, Gujarat, Uttar Pradesh and parts of Rajasthan.
Jawaharlal Nehru Port (Nhava Sheva): satellite port to relieve Mumbai; the largest container port.
Marmagao (Mormugao): entrance of the Zuari estuary, natural harbour in Goa; remodelled in 1961 for iron-ore exports to Japan; the Konkan Railway extended its hinterland: Karnataka, Goa, southern Maharashtra.
Mangalore (New Mangalore): Karnataka; exports of iron-ore and concentrates, also fertilisers, petroleum products, edible oils, coffee, tea, wood pulp, yarn, granite stone and molasses; hinterland chiefly Karnataka.
Kochi (Cochin): head of Vembanad Kayal, "Queen of the Arabian Sea", natural harbour near the Suez-Colombo route; Kerala, southern Karnataka, south-western Tamil Nadu.
Chennai: one of the oldest ports on the east coast; artificial harbour built in 1859; shallow water, unsuitable for large ships; Tamil Nadu and Puducherry. Kamarajar (Ennore), 25 km north, and Tuticorin (V.O. Chidambaranar) were developed to relieve it.
Kolkata (Shyama Prasad Mookerjee): on the Hugli, 128 km inland; developed by the British; lost significance because of silt and diversion of exports to Vishakhapatnam (Visakhapatnam), Paradwip and Haldia; hinterland Uttar Pradesh, Bihar, Jharkhand, West Bengal, Sikkim and the north-eastern states, plus Nepal and Bhutan.
Haldia: 105 km downstream from Kolkata; built to reduce congestion; handles bulk cargo such as iron ore, coal, petroleum, fertilisers, jute and cotton.
Paradwip: Mahanadi delta, about 100 km from Cuttack; deepest harbour, suited to very large vessels; iron-ore exports; hinterland Odisha, Chhattisgarh, Jharkhand.
Vishakhapatnam (Visakhapatnam): land-locked harbour joined to the sea by a channel cut through solid rock and sand; outer harbour for iron-ore, petroleum and general cargo; Andhra Pradesh and Telangana.

Inference (ours, not NCERT). NCERT does not name the state of every port and does not explain why the west coast has more ports; any state added here or reason offered is outside the text and is labelled where used.

Key quotations

Short lines worth knowing by heart: who says them, when, and why they matter.

Demarcation of the boundary of the hinterland would be difficult as it is not fixed over space.
NCERT, India: People and Economy, Chapter 8: Section "Sea Ports as Gateways of International Trade".
Explains why hinterlands of different ports overlap.

Major Seaports of India and Their Hinterlands: key facts

Port system: 12 major ports Centre
200 minor ports states
west coast has more ports than east
capacity 20 million tonnes (1951) to over 837 million tonnes 2016; Major ports handle the larger share of traffic.
Relief ports: $M u mbai : J N P T ∣ K an d l a : V a d ina r ∣ C h e nnai : K ama r aj a r (E nn or e), T u t i cor in ∣ K o l k a t a : H a l d ia$; Each was developed to reduce pressure or congestion.
Special features: Mumbai biggest, 54 berths
JNPT largest container
Kochi (Cochin) Queen of the Arabian Sea
Chennai artificial, 1859
Paradwip deepest
Vishakhapatnam (Visakhapatnam) land-locked
Kolkata 128 km inland; Haldia is 105 km downstream.
Hinterlands: Mumbai MP, Maharashtra, Gujarat, UP, Rajasthan parts
Marmagao (Mormugao) Karnataka, Goa, S Maharashtra
Kochi (Cochin) Kerala, S Karnataka, SW Tamil Nadu
Chennai Tamil Nadu, Puducherry
Paradwip Odisha, Chhattisgarh, Jharkhand
Vishakhapatnam (Visakhapatnam) Andhra Pradesh, Telangana; Kolkata: UP, Bihar, Jharkhand, West Bengal, Sikkim, north-east.

12 major ports	Centre
200 minor ports	states
	west coast has more ports than east
capacity 20 million tonnes (1951) to over 837 million tonnes	2016

Mumbai	MP, Maharashtra, Gujarat, UP, Rajasthan parts
Marmagao (Mormugao)	Karnataka, Goa, S Maharashtra
Kochi (Cochin)	Kerala, S Karnataka, SW Tamil Nadu
Chennai	Tamil Nadu, Puducherry
Paradwip	Odisha, Chhattisgarh, Jharkhand
Vishakhapatnam (Visakhapatnam)	Andhra Pradesh, Telangana

How to answer Major Seaports of India and Their Hinterlands questions

Port answers need three things for each port: its site and feature, its main cargo, and its hinterland. For map items, use the map-list name and its coast.

1Open with the numbers: 12 major ports, 200 minor ports, and the capacity growth.
2For each port give one site fact (head of Gulf of Kuchchh, Zuari estuary, Vembanad Kayal, Mahanadi delta) and one feature (natural, artificial, land-locked, deepest, largest).
3Name the hinterland states exactly as NCERT lists them.
4For relief ports write the pair: the main port and the port that eases it.
5Give a port's state only where NCERT or a CBSE map question supplies it.

Major Seaports of India and Their Hinterlands in real life

The idea, met in an everyday situation. Answer the question in your own words, then compare with the model answer. The one-line hook is what to remember.

A satellite port

Suppose the harbour of a huge coastal city is so crowded that a second port is built across the water to take containers and relieve the first.

Which pair in NCERT does this resemble, and which cargo does the second port lead in?

Try it first, then show the solutionSolution

Jawaharlal Nehru Port at Nhava Sheva was developed as a satellite port to relieve the pressure at Mumbai port.
It is the largest container port in India.

Answer: Mumbai and Jawaharlal Nehru Port; containers.

Memory hook: Satellite = relief.

Shallow harbour

Imagine a man-made harbour on a coast with shallow water that big ships cannot enter, so a newer port is built a little way along the coast.

Which port is this and what is its relief port 25 km away?

Try it first, then show the solutionSolution

Chennai is an artificial harbour built in 1859 and not much suitable for large ships because of shallow waters near the coast.
Kamarajar (Ennore) was constructed 25 km north of Chennai to relieve the pressure; Tuticorin was also developed to relieve Chennai.

Answer: Chennai; Kamarajar (Ennore).

Memory hook: Shallow Chennai, Ennore helps.

Tricks to remember Major Seaports of India and Their Hinterlands

Short memory aids. Say each one aloud once, then use it on a question the same day.

Relief pairs "M-J, K-V, C-K, K-H"
Mumbai-JNPT, Kandla-Vadinar, Chennai-Kamarajar (and Tuticorin), Kolkata-Haldia.
Use it when: Which port eases which.
Paradwip deep, Vizag locked
Paradwip has the deepest harbour; Vishakhapatnam (Visakhapatnam) is the land-locked one.
Use it when: Harbour types.
128 in, 105 down
Kolkata is 128 km inland; Haldia is 105 km downstream.
Use it when: Distances on the Hugli.
Marmagao (Mormugao) 1961, Konkan extends
Remodelled in 1961 for iron-ore to Japan; the Konkan Railway enlarged its hinterland.
Use it when: Marmagao (Mormugao) facts.

Major Seaports of India and Their Hinterlands: solved examples

Ordered from board level to HOTS. Try each one before you open the solution.

Example 1: Where is Kamarajar port? · 1 mark · MCQBoard level

Kamarajar (Ennore) port was constructed to relieve the pressure at Chennai. It lies about how far to the north of Chennai?
(A) 5 km
(B) 15 km
(C) 25 km
(D) 105 km

Try it first, then show the solutionSolution

NCERT: Kamarajar (Ennore), a newly developed port in Tamil Nadu, has been constructed 25 km north of Chennai (1 mark).

Answer: (C) 25 km

Example 2: Statements on relief ports · 1 mark · MCQHarder board level

Consider the statements:
I. The offshore terminal at Vadinar was developed to reduce pressure on Kandla port.
II. Kamarajar (Ennore) was constructed about 25 km north of Chennai.
III. Diamond Harbour near Kolkata was developed to make up for the loss of Karachi in the west.
Which are correct?
(A) I and II
(B) II and III
(C) I and III
(D) I, II and III

Try it first, then show the solutionSolution

I and II are NCERT statements.
III is wrong: Kandla was developed in the west and Diamond Harbour in the east, on the Hugli near Kolkata (1 mark).

Answer: (A) I and II

Example 3: Assertion and reason on overlapping hinterlands · 1 mark · Assertion-reasonHarder board level

Assertion (A): The hinterland of one Indian port may overlap with that of another.
Reason (R): The boundary of a port's hinterland is not fixed over space.
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true but (R) is not the correct explanation of (A).
(C) (A) is true but (R) is false.
(D) (A) is false but (R) is true.

Try it first, then show the solutionSolution

NCERT states both: demarcation of the boundary would be difficult as it is not fixed over space, and in most cases the hinterland of one port overlaps with that of another.
A boundary that is not fixed makes overlap possible, so R explains A (1 mark).

Answer: (A) Both (A) and (R) are true and (R) is the correct explanation of (A).

Example 4: Source-based: major and minor ports · 3 marks · Source-basedHarder board level

Read the passage: "At present, India has 12 major ports and 200 minor or intermediate ports. In the case of the major ports, the central government decides the policy and plays regulatory functions. The minor ports are there whose policy and functions are regulated by state governments. The major ports handle larger share of the total traffic. The capacity of Indian ports increased from 20 million tonnes of cargo handling in 1951 to more than 837 million tonnes in 2016."
(i) The policy for minor ports is regulated by: (1)
(A) the central government (B) state governments (C) private entrepreneurs (D) the Planning Commission
(ii) The capacity of Indian ports in 2016 was about how many times that of 1951? (1)
(A) 4 times (B) 12 times (C) 42 times (D) 200 times
(iii) Which statement does the passage support? (1)
(A) Minor ports handle the larger share of traffic (B) Major ports handle the larger share of traffic (C) All ports are regulated by the Centre (D) India has only 12 ports

Try it first, then show the solutionSolution

(i) State governments, so (B) (1 mark).
(ii) Our own division: 837 / 20 = 41.85, about 42 times, so (C) (1 mark).
(iii) Major ports handle the larger share of the total traffic, so (B) (1 mark).

Answer: (i) B; (ii) C; (iii) B

Example 5: Major and minor ports · 3 marks · Short answerBoard level

Distinguish between the major and the minor ports of India on the basis of number, regulation and traffic handled. (3 marks)

Try it first, then show the solutionSolution

Number: India has 12 major ports and 200 minor or intermediate ports (1 mark).
Regulation: for major ports the central government decides policy and plays regulatory functions; minor ports are regulated by state governments (1 mark).
Traffic: the major ports handle the larger share of the total traffic (1 mark).

Answer: India has 12 major ports and 200 minor or intermediate ports. In the case of the major ports the central government decides the policy and plays regulatory functions, whereas the policy and functions of the minor ports are regulated by state governments. The major ports handle the larger share of the total traffic.

Example 6: HOTS: relief ports · 5 marks · Long answerHOTS / competency

NCERT describes several newer ports and terminals built beside older ones. List five main port and relief port pairs, state the reason NCERT gives for each, and explain what the pattern suggests. Label inference. (5 marks)

Try it first, then show the solutionSolution

Pairs (2 marks): Mumbai and Jawaharlal Nehru Port; Kandla and the offshore terminal at Vadinar; Chennai and Kamarajar (Ennore) and also Tuticorin; Kolkata and Haldia.
Reasons (2 marks): to relieve pressure at Mumbai; to reduce pressure at Kandla; to relieve pressure at Chennai; to reduce congestion at Kolkata (silt in the Hugli and diversion of exports are also mentioned).
Pattern (1 mark): inference that the older ports became congested or physically limited as trade grew; NCERT states the pressure and the shallow water of Chennai and the silt of the Hugli but does not generalise.

Answer: The pairs in NCERT are: Mumbai and Jawaharlal Nehru Port (Nhava Sheva), developed as a satellite port to relieve the pressure at Mumbai; Kandla and the offshore terminal at Vadinar, developed to reduce the pressure at Kandla; Chennai and Kamarajar (Ennore), 25 km north, and also Tuticorin (V.O. Chidambaranar), developed to relieve the pressure at Chennai; and Kolkata and Haldia, constructed 105 km downstream to reduce congestion at Kolkata.

The pattern suggests that as trade grew, the older ports became crowded or physically limited, and new capacity was added beside them rather than far away. This generalisation is our inference; NCERT gives the individual reasons, such as the shallow water near Chennai and the silt in the Hugli at Kolkata, but does not state the pattern itself.

Where students lose marks in Major Seaports of India and Their Hinterlands

The slips examiners see most often, and what to write instead.

Mistake: Placing Haldia upstream of Kolkata
The two distances (128 km and 105 km) are close.
Wrong working
Haldia lies 105 km upstream from Kolkata.
Right working
Haldia lies 105 km downstream from Kolkata; Kolkata itself is 128 km inland from the Bay of Bengal.
Do this: Haldia is nearer the sea.
Usually costs: 1 mark.
Mistake: Calling Chennai a natural harbour
Most Indian ports are natural.
Wrong working
Chennai is a natural harbour on the east coast.
Right working
Chennai is an artificial harbour built in 1859; Mumbai, Marmagao (Mormugao) and Kochi (Cochin) are natural.
Do this: Chennai = artificial.
Usually costs: 1 mark.
Mistake: Giving Kandla and Diamond Harbour as relief ports for Mumbai and Kolkata only
The Partition story and the relief story are mixed.
Wrong working
Kandla and Diamond Harbour were developed only to relieve Mumbai and Kolkata.
Right working
After Partition took Karachi and Chittagong, Kandla (west) and Diamond Harbour (east) were developed; Kandla also reduces the pressure at Mumbai.
Do this: Two reasons for Kandla.
Usually costs: 1 mark.
Mistake: Treating hinterlands as separate and fixed
Maps show neat coloured regions.
Wrong working
Each port serves a fixed state area with no overlap.
Right working
Hinterland boundaries are not fixed and the hinterlands of ports often overlap.
Do this: Hinterlands overlap.
Usually costs: 1 mark.

Exam tips

Use the map-list names with NCERT's in brackets: Kandla (Deendayal), Marmagao (Mormugao), Kochi (Cochin), Mangalore (New Mangalore), Tuticorin (V.O. Chidambaranar), Vishakhapatnam (Visakhapatnam).
Write a port answer in the order site, feature, cargo, hinterland.
NCERT does not give the state of every port; use the states CBSE has itself used in map questions (see the FAQ), and say so if you add any other.
The questions on this page are our own and are checked by meaning against the chapter page and past papers; they are not copies of board items.

Practice questions on Major Seaports of India and Their Hinterlands

Write each answer on paper first. Open the hint only if you are stuck, and the answer only when you have finished.

Q1 · 1 mark · MCQBoard level
According to NCERT, the country's largest oil terminal is at:
(A) Kandla (Deendayal)
(B) Mumbai
(C) Haldia
(D) Vishakhapatnam (Visakhapatnam)
Hint
The biggest port, with 54 berths, also has the largest oil terminal.
Answer
(B) Mumbai. NCERT says Mumbai port is 20 km long and 6-10 km wide with 54 berths and has the country's largest oil terminal. Kandla is designed to receive large quantities of petroleum and petroleum products, but the largest oil terminal is at Mumbai.
Q2 · 2 marks · Very short answerHarder board level
NCERT says the capacity of Indian ports rose from 20 million tonnes in 1951 to more than 837 million tonnes in 2016. Find the increase and the average increase per year over the 65 years, to one decimal place. (2 marks)
Hint
Subtract, then divide by 65.
Answer
Increase = 837 - 20 = 817 million tonnes (at least, since NCERT says "more than"); per year = 817 / 65 = 12.6 million tonnes (our own arithmetic on the NCERT figures).
Q3 · 1 mark · MCQHarder board level
Which one of the following correctly gives the hinterland of Paradwip port?
(A) Odisha, Chhattisgarh and Jharkhand
(B) Karnataka, Goa and southern Maharashtra
(C) Andhra Pradesh and Telangana
(D) Tamil Nadu and Puducherry
Hint
Paradwip handles iron-ore exports from the east.
Answer
(A) Odisha, Chhattisgarh and Jharkhand. (B) is Marmagao (Mormugao), (C) Vishakhapatnam (Visakhapatnam) and (D) Chennai.
Q4 · 3 marks · Short answerHarder board level
Classify the harbours of Mumbai, Chennai, Vishakhapatnam (Visakhapatnam), Marmagao (Mormugao) and Kochi (Cochin) as natural, artificial or land-locked, giving the NCERT description that supports each. (3 marks)
Hint
Three types; one is built in 1859.
Answer
Mumbai, Marmagao (Mormugao) (at the entrance of the Zuari estuary) and Kochi (Cochin) (at the head of Vembanad Kayal) are natural harbours. Chennai is an artificial harbour built in 1859 and not much suitable for large ships because of shallow water near the coast. Vishakhapatnam (Visakhapatnam) is a land-locked harbour connected to the sea by a channel cut through solid rock and sand.
Q5 · 2 marks · Very short answerBoard level
Name any four items, other than iron-ore and iron-concentrates, that Mangalore (New Mangalore) Port handles, and name its main hinterland. (2 marks)
Hint
Fertilisers, oils, beverages, minerals.
Answer
Any four of: fertilisers, petroleum products, edible oils, coffee, tea, wood pulp, yarn, granite stone, molasses. Karnataka is the major hinterland of the port.
Q6 · 3 marks · Short answerHOTS / competency
Match each cargo with the port NCERT names for it and give the reason: (a) petroleum products and fertiliser for western and north-western India, (b) coffee and granite stone from Karnataka, (c) jute and jute products and coal from the east. (3 marks)
Hint
Kandla, Mangalore (New Mangalore) and Haldia.
Answer
(a) Kandla (Deendayal) port, which is specially designed to receive large quantities of petroleum and petroleum products and fertiliser for the western and north-western parts of the country. (b) Mangalore (New Mangalore), which handles coffee and granite stone, among other items, with Karnataka as its major hinterland. (c) Haldia, which handles bulk cargo such as coal, jute and jute products. The matching follows the NCERT cargo lists; Haldia also handles other bulk cargo and so do other ports.

Test your recall

Answer in your head or on paper first, then open the card. Pulling an answer out of memory makes it stick far better than re-reading.

1.How many berths does Mumbai port have?Show answer
54, along a port 20 km long and 6 to 10 km wide.
2.Which offshore terminal reduces the pressure at Kandla?Show answer
Vadinar.
3.How far downstream from Kolkata is Haldia?Show answer
105 km.
4.What was the cargo-handling capacity of Indian ports in 2016?Show answer
More than 837 million tonnes.
5.Which states form the hinterland of Marmagao (Mormugao) port?Show answer
Karnataka, Goa and southern Maharashtra.

Major Seaports of India and Their Hinterlands: frequently asked questions

How has CBSE asked about ports?

As map items (Q30): the seaport at the head of the Gulf of Kuchchh, Kandla (2026 64/1/1 Q30.6); a major sea port of Goa, Marmagao (2025 64/6/1 Q30.4); a sea port built to relieve Kolkata, Haldia (2025 64/6/1 Q30.6); a major sea port of Andhra Pradesh, Vishakhapatnam (2025 64/4/1 Q30.3); the port at the head of Vembanad Kayal (2025 64/5/1 Q30.3); and the major sea port on the Mahanadi delta, Paradwip (2026 64/5/1 Q30.6). As MCQs: the port on the Mahanadi delta (2023 64/3/1 Q12) and the port at the Zuari estuary (2026 64/2/1 Q13). As written answers: the characteristics of Mumbai port (2024 64/1/2 Q27) and of Kolkata or Mumbai port with its hinterland (2025 64/6/1 Q23). Learn each port's site, feature and hinterland.

Why do the map list and NCERT use different names?

The 2026-27 syllabus map list writes Kandla, Marmagao, Kochi, Mangalore, Tuticorin and Vishakhapatnam, while NCERT writes Deendayal Port (Kandla port), Mormugao, Cochin, New Mangalore, V.O. Chidambaranar (Tuticorin) and Visakhapatnam. They are the same ports; this page uses the map-list name with NCERT's in brackets.

Does NCERT give the state of every port?

No. NCERT places Marmagao (Mormugao) in Goa, Mangalore (New Mangalore) in Karnataka, Kamarajar (Ennore) in Tamil Nadu and Vishakhapatnam (Visakhapatnam) in Andhra Pradesh, and gives hinterland states for each port. For the others, CBSE map items and marking schemes supply the state: Kandla in Gujarat (2025 64/7/1 Q30.5), Paradwip in Odisha (2024 64/3/1 Q30.6, visually impaired version) and Tuticorin in Tamil Nadu (2023 64/1/3 Q30.6, visually impaired version). This page adds no state for Mumbai, Kochi, Chennai or Haldia.

Is Diamond Harbour a major port in the map list?

No. NCERT mentions Diamond Harbour only as a port developed near Kolkata on the Hugli after Partition. The map list names Haldia, not Diamond Harbour.