How To Write Letter Invitation To A Friend On Your Sister’s Birth Day

                                                                                                                                      Sender address
                                                                                                                                       Date...

My dear Tina,

                       You will be glad to know that my sister’s birth day comes off on 21^st june 2010 day instant.Parents wants me to invite some of my friends on the occasion.You are one of them.You will find among the guests a number of our friends.I have also arranged in that evening a variety entertainments which will delight you all.So i expect that you will come to our house at 7.30 pm sharp without fail.


                                                                                                              Yours sincerely
                                                                                                                 (your name)


To,
      [Name and address of your friends]