translation : Hush-Hush ) is a 1975 Indian film comedy starring Dharmendra , Amitabh Bachchan , Sharmila Tagore , Jaya Bachchan , Om Prakash , David , Asrani and Keshto Mukherjee . The movie was directed by Hrishikesh Mukherjee and the music was composed by S.D. Burman . Plot The film