On Friendship Day here are all the Hindi Songs on Dosti (Friendship) that I can recollect. Please post more that you like.
Arguably the most famous and best song on Dosti – Yeh Dosti Hum Nahin from Sholay.
Chahunga Main Tujhe Saanjh Savere Song from Dosti.
Aaj Mere Yaar Ki Shaadi Hai Song from Aadmi Sadak Ka which is probably still played at weddings and is used in every Indian wedding CD.
Dost Dost Na Raha Song from Sangam about a friend betraying their friendship.
Yaari Hai Iman Mera Song from Zanjeer.
Tere Jaisa Yaar Kahan Song from Yaarana.
Salamat Rahe Dostana Song from Dostana.
Pyar Lagawat Song from Chashme Buddoor.
Tum Ladki Ho Song from Maine Pyar Kiya
Yaaron Song from Rockford.
The song that signifies Friendship for modern generation – Dil Chahta Hai Title Song from Dil Chahta Hai.
Masti Ki Paathshala Song from Rang De Basanti.
Jaane Nahin Denge Tujhe Song from 3 Idiots.