There are no set types of informal letters because they deal with all sorts of familial and personal matters which don’t have any predetermined classifications.

But we can still look into a few important topics for informal letters:

  1. Letter to father/ mother
  2. Letter inviting a friend/ family
  3. Letter advising a friend/ family
  4. Letter congratulating a friend/ family
  5. Letter expressing regret to a friend/ family

  • Letter to father/ mother

EXAMPLE: You are Vimal Mehta a resident of 99 Rangeela Bagh, Ambala. From this address write a letter to your father who is posted in Kolkata, telling him how you have done your papers.

99, Rangeela Bagh,


19 November, 2021

My dear father,

What a relief! Our examination is over today. I am glad to tell you that my hard work, your good wishes and the grace of God have enabled me to fare nicely in the exams. Mostly the paper setters wanted to test the ability of the students. So, the papers were easy for those who studied thoroughly, but difficult for those who had crammed only selected questions.

I have done all the papers nicely and hope to get a high first division. When are you coming back?

Yours lovingly,


  • Letter inviting a friend/ family

EXAMPLE: You are Deepak, living at 5, Jamia Road, Okhla. Write a letter to your friend inviting him to your brother’s marriage.

5, Jamia Road,

Okhla, Delhi

19 November, 2021

Dear Mohan,

You will be very glad to know that the marriage of my elder brother falls on 5th December, 2021. I cordially invite you to attend the wedding and grace the occasion.

The wedding party will leave for Agra on 5th December early in the morning. I have invited all my friends. We shall have an amazing time together. Uncle will present his dance and Rajesh will present a melodious tune to the orchestra. It will be a nice occasion to enjoy.

I hope you will not disappoint me.

Kind regards,


  • Letter advising a friend/ family

EXAMPLE: Your younger brother is a book- worm. He has gone to stay in a hostel. Write a letter to him advising him to take part in games and other school activities.

8, Sharma Niwas,


19th November, 2021

Dear Deepak,

I have come to know from a friend of yours that you have grown weak and are keeping poor health. You work hard at studies and have become a book- worm. You do not take part in games.

I may tell you that a student must take care of his health also. His mental development should go hand-in-hand.

“All work and no play makes Jack a dull boy”. A sound mind lives in a sound body. Games can teach us even more than books do. They can make us active and strong. So, make it a point not to neglect games. Play regularly so that you may do well in studies also.

I hope you will act upon my advice and start taking part in games and other extracurricular activities.

Your loving brother,


  • Letter congratulating a friend/ family

EXAMPLE: Write a letter of congratulation to a friend on his winning a scholarship.

1-2 Kirti Nagar,

New Delhi- 110015

19 November, 2021

Dear Ram,

I was very glad to hear the happy news of your brilliant success in Secondary School Examination. I was all the more happy to know that you have won a scholarship.

Ram, you really deserved such brilliant success. It is the fruit of your labour. We have been expecting these results from you, and you have come up to your expectations.

All the members of my family send their heartiest congratulations to you and your parents.

By the way, when are you sending my share of sweets?

Lots of love,


  • Letter expressing regret to a friend/ family

EXAMPLE: Your friend Kiran lives at 74, Rajpur Road, Delhi. She has invited you to her marriage. Write a letter expressing your inability to attend her marriage because of your examinations. You are Geeta Gupta living at C-29, C.C. Colony, Ajmer.

C-29, C.C. Colony,


19th November, 2021

Dear Kiran,

I have no words to thank you for inviting me on the auspicious occasion of your marriage. I am unlucky to grace this occasion because of pre- pre-medical test already fixed for 29 November, 2021. You know I cannot miss this last chance that luck has provided me to avail. So, it is quite impossible for me to miss my chance. I, therefore, Regret my inability to take part in the celebrations of your marriage. I believe you will excuse me.

May god shower all his blessings on you!

Heartiest congratulations.

Yours lovingly,

Geeta Gupta

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