Senders address
date
salutation (dear friend)
How are you? We're all fine here and hope you are too. it's been such a long time since I've written a letter to you so I thought this is a good time to ask about you.
so anyways, my finals are over and me and my family are thinking of visiting Mumbai for a splendid vacation from studies. There we will visit the beaches and have lots of fun. I think you can join us too if you don't mind.
looking forward to a positive response from you. convey my regards to Uncle and aunty.
you're affectionately
(your name)