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ICSE 9 Letters: Formal and Informal Format and Tone

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English LanguageICSE Class 9 · Letter Writing

ICSE Class 9 Letter Writing: Formal and Informal Layout, Tone and Content

Updated 18 October 2026 · Fact-checked

Question 2 of ICSE English Paper 1 asks for one letter from a choice of two, a formal one and a friendly one. Write your address and the full date, the receiver's block for a formal letter, "Dear Sir," or "Dear [name]," as the salutation, a body that develops every point asked, and the matching subscription: "Yours faithfully," with your full name, or "Yours lovingly," with your first name.

Compare the two sheets: the formal letter adds the receiver's address, and each salutation pairs with its own closing and name.

Illustration drawn for QuestionBuddy.

Understand Formal and Informal Letter Layout, Tone and Content (ICSE Class 9)

What is assessed. The chapter page says the marking scheme rests on format, content and expression. Format covers address, date, salutation and subscription. Content means every point in the question is answered with detail. Expression means correct language in the right tone.

Informal (friendly) letter. Parts in order: your address, the date in full, the salutation ("Dear Didi,"), the body in paragraphs, a subscription such as "Yours lovingly," and your first name. It has no receiver's address and no subject line. The tone is warm and natural but still grammatical.

Formal letter. Parts in order: your address and the date, then the receiver's designation and address, the salutation ("Dear Sir," or "Dear Madam,"), the body, the subscription "Yours faithfully," and your full name. The chapter page notes that CISCE's published formal format has no subject line.

Matching pair. Formal "Dear Sir" goes with "Yours faithfully". Informal "Dear Neha" goes with "Yours affectionately". "Respected Sir" and "Yours sincerely" are listed as errors on the chapter page. "Yours" never takes an apostrophe.

Developing content. For each point the question names, write one paragraph with two concrete details (where, when, how many, what effect). In a complaint give the problem, its effect on people and two or more practical suggestions. In a request give the request, the benefit and the arrangements.

Tone. Formal letters avoid contractions, slang and exclamation marks. Friendly letters may use warm phrases but not text-message language.

Time. The board layout gives the letter 10 marks and about 20 minutes (chapter page). In Class IX your school sets the paper.

Formal and Informal Letter Layout, Tone and Content (ICSE Class 9): key facts

Informal order
  • Address
  • Date
  • Salutation
  • Body
  • Subscription
  • First name
No receiver block and no subject line.
Formal order
  • Address
  • Date
  • Receiver block
  • Dear Sir
  • Body
  • Yours faithfully
  • Full name
Designation first in the receiver block.
Complaint paragraphs
  • Purpose
  • Problem with details
  • Suggestions
  • Polite close
Four paragraphs.
Matching pairs
Dear Sir with Yours faithfully | Dear Neha with Yours lovingly
Never mix them.

How to answer Formal and Informal Letter Layout, Tone and Content (ICSE Class 9) questions

Use this for any letter question.

  1. 1Decide formal or informal from the receiver.
  2. 2Write the address and the full date, then the receiver block if formal.
  3. 3Choose the salutation and note the matching subscription at once.
  4. 4Give each point of the question its own paragraph with two details.
  5. 5Close politely, sign correctly and check tone and tenses.

Formal and Informal Letter Layout, Tone and Content (ICSE Class 9) 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 lost-property request

Suppose a student left a geometry box on the school bus and wants to write to the transport in-charge to ask for it to be returned.

Is the letter formal or informal, and what are the first and last lines?

Try it first, then show the solutionSolution
  1. The receiver holds an office, so it is formal.
  2. Salutation: Dear Sir,
  3. Subscription: Yours faithfully, with the full name.

Answer: It is a formal letter that begins with "Dear Sir," and ends with "Yours faithfully," and the sender's full name.

Memory hook: Office means faithful.

Tricks to remember Formal and Informal Letter Layout, Tone and Content (ICSE Class 9)

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

  • Faithful to strangers

    Strangers and officials get "Yours faithfully"; family gets "love".

    Use it when: Matching salutation and subscription.

  • PCS-S

    Purpose, Complaint details, Suggestions, Sign-off.

    Use it when: Complaint letters.

  • No apostrophe

    Yours is like hers: no apostrophe.

    Use it when: Subscription spelling.

Formal and Informal Letter Layout, Tone and Content (ICSE Class 9): solved examples

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

Example 1: Choose the subscription · 1 mark · MCQBoard level

A letter begins "Dear Madam,". Which subscription fits?
(a) With love, (b) Yours faithfully, (c) Yours lovingly, (d) Your friend

Try it first, then show the solutionSolution
  1. Dear Madam is a formal salutation (0.5)
  2. It takes Yours faithfully (0.5).

Answer: (b) Yours faithfully, followed by the sender's full name.

Example 2: Order the parts (2 marks) · 2 marks · Short answerBoard level

Arrange the parts of a friendly letter: Yours lovingly, / Anil / Dear Uncle, / 12th May 2027. / body paragraphs / sender's address.

Try it first, then show the solutionSolution
  1. Address, date (1)
  2. Salutation, body, subscription, name (1).

Answer: Sender's address, 12th May 2027., Dear Uncle, body paragraphs, Yours lovingly, Anil.

Example 3: Two details per point (4 marks) · 4 marks · Long answerHarder board level

Improve the weak sentence from a letter to a Municipal Commissioner: "The road near my house is in a bad condition. Please do something." Write three sentences with concrete detail and one suggestion.

Try it first, then show the solutionSolution
  1. Where and what (1)
  2. Effect on people (1)
  3. Suggestion (1)
  4. Formal tone (1).

Answer: The stretch of Lakshmi Road between the post office and the market has had open potholes for two months. Auto-rickshaws and school buses slow down dangerously, and several cyclists have fallen in the evening. I request you to have the road resurfaced soon and to place a warning sign until the work is done.

Example 4: Request to a Principal (4 marks) · 4 marks · Long answerHarder board level

Write the opening paragraph and one reasons paragraph of a letter to the Principal requesting permission to start a reading club in the school library on Friday afternoons.

Try it first, then show the solutionSolution
  1. State the request first (1)
  2. Give two reasons (1)
  3. Offer arrangements (1)
  4. Polite formal tone (1).

Answer: I write to request your permission to start a reading club in the school library on Friday afternoons after the last period.

The club would help pupils who find little time to read for pleasure. It would also let juniors and seniors share books and discuss them. If you agree, a teacher-in-charge and a small committee of students will keep a record of the books issued.

Example 5: Rewrite in the right tone (4 marks) · 4 marks · Long answerHOTS / competency

A student begins a letter to the Editor: "Hey! This is a total joke, the stray dogs here are crazy and nobody cares!" Explain two faults and rewrite it.

Try it first, then show the solutionSolution
  1. Slang and exclamation (1)
  2. Insulting and vague (1)
  3. Formal rewrite (1)
  4. Purpose clear (1).

Answer: Faults: slang and exclamation marks are wrong in formal letters, and the sentence is vague and angry rather than informative. Rewrite: Through the columns of your newspaper, I wish to draw the attention of the authorities to the increasing number of stray dogs in our locality, which makes walking after dark unsafe for children and the elderly.

Where students lose marks in Formal and Informal Letter Layout, Tone and Content (ICSE Class 9)

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

  • Mistake: Mismatched salutation and subscription

    Formal and informal forms get mixed.

    Wrong working

    Respected Madam, ... Yours sincerely,

    Right working

    Dear Madam, ... Yours faithfully,

    Do this: Learn two pairs and use them.

    Usually costs: Format marks

  • Mistake: Incomplete address and date

    Only the city or a numeric date is written.

    Wrong working

    Chennai 12/1

    Right working

    4, Second Cross Street, T. Nagar, Chennai - 600 017. 12th January 2027.

    Do this: Practise one full address.

    Usually costs: Format marks

  • Mistake: Repeating the question

    The body has no concrete detail.

    Wrong working

    The road is bad. Please do something.

    Right working

    Open potholes for two months near the market have caused falls.

    Do this: Give two details per point.

    Usually costs: Content marks

Exam tips

  • Write the full address and date with punctuation.
  • Match salutation and subscription before writing the body.
  • Answer every point of the question in its own paragraph.
  • No subject line in CISCE formats; your name only after the subscription.
  • Keep formal tone free of slang and exclamation marks.

Practice questions on Formal and Informal Letter Layout, Tone and Content (ICSE Class 9)

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

  1. Q1 · 1 mark · MCQBoard level

    Which closing is correct in a formal letter?
    (a) Yours sincerely, (b) Yours Faithfully (c) Yours faithfully, (d) Your's faithfully

    Hint

    Check the apostrophe and capital letters.

    Answer

    (c) Yours faithfully,

  2. Q2 · 3 marks · Short answerBoard level

    Write the receiver's block for a letter to the Editor, The Evening Courier, 22 Mill Road, Pune - 411 001. (3 marks)

    Hint

    Designation first.

    Answer

    The Editor,
    The Evening Courier,
    22 Mill Road,
    Pune - 411 001.

  3. Q3 · 4 marks · Long answerHarder board level

    Your grandmother has taught you to knit. Write the body (two paragraphs) of a thank-you letter that explains why the skill matters to you. (4 marks)

    Hint

    Warm, personal tone and a use for the skill.

    Answer

    Sample: Thank you for the many evenings you spent teaching me to knit. At first my rows were uneven, but your patience made me try again.

    This winter I plan to knit scarves for the watchmen of our building. The skill matters to me because it connects me with you and lets me do something useful with my hands.

  4. Q4 · 4 marks · Long answerHarder board level

    Write two paragraphs of a formal letter to a cinema manager requesting a special morning show of a film for students, and explain the benefit. (4 marks)

    Hint

    State request, benefit, arrangements.

    Answer

    I request you to arrange a special morning show of the film for the students of our school on a weekday.

    Watching the story on the screen helps students understand characters and themes they have studied. If the show is arranged, the school will arrange transport and a reasonable group booking.

  5. Q5 · 4 marks · Case-basedHarder board level

    A student writes a complaint letter in which paragraph one lists the problem, paragraph two repeats it with other words, and there are no suggestions. Identify the two content faults and say how many paragraphs a better letter would have. (4 marks)

    Hint

    Think of what the question asks for.

    Answer

    Faults: the second paragraph repeats instead of adding detail and effect, and the suggestions asked for are missing. A better letter has four paragraphs: purpose, problem with details, suggestions, polite close.

  6. Q6 · 4 marks · Case-basedHOTS / competency

    Two students answer the same question, "Write to your friend about a school fair." One uses "Respected Friend" and ends "Yours sincerely"; the other uses "Dear Aman" and ends "Yours affectionately". Which is right, why, and what other correction does the first need? (4 marks)

    Hint

    Think of the mode of the letter.

    Answer

    The second is right: the letter is friendly, so a personal salutation and an affectionate subscription match. The first mixes formal and informal forms. The first also needs a first name at the end instead of a formal signature.

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. 1.How many marks does the letter carry in the board layout?Show answer

    10 marks, per the chapter page.

  2. 2.How much time is advised?Show answer

    About 20 minutes.

  3. 3.Formal subscription?Show answer

    Yours faithfully,

  4. 4.Is there a subject line?Show answer

    No, not in the CISCE formats on the chapter page.

  5. 5.Which name goes at the end of an informal letter?Show answer

    First name only.

  6. 6.Does Yours take an apostrophe?Show answer

    No.

Formal and Informal Letter Layout, Tone and Content (ICSE Class 9): frequently asked questions

Do I write my name at the top?

No; it appears only after the subscription.

Which format, block or indented?

The chapter page says either is acceptable if consistent.

Is Class IX marked by CISCE?

No; the school marks it.