It also stars Rekha, Asrani, Raza Murad, A. K. Hangal, Simi Garewal and Om Shivpuri.

"Diye Jalte Hai", "Nadiya Se Dariya" and "Main Shayar Badnaam" are the most memorable melodies, all rendered powerfully by Kishore Kumar and picturised on Rajesh Khanna.

And Kaka, as he was called by friends and fans alike, won the hearts of millions by his meaningful acting and face impressions.

This story concentrates on the rise of unions with the backdrop of Bombay's textile mills and inflation in the early 1970s.

All lyrics are written by Anand Bakshi; all music is composed by Rahul Dev BurmanVocals for Khanna were supplied by his frequent collaborator Kishore Kumar, who also sang a song picturized on Asrani.