Ram Prasad (Amol Palekar), a young chartered accountant and his sister Ratna, are orphans living in Bombay. One morning, an old family friend, Dr. Kedar, comes to visit him with information about a very well-paid job being advertised by Bhavani Shankar (Utpal Dutt), the owner of Urmila Trading Corporation, who happens to be Dr. Kedar's personal friend also. Bhavani approves of Ram Prasad Dashrath Prasad Sharma's moustache, oily hair and (short) kurta-pajama, and hires him. Bhavani Shankar is a bit nutty and feels young people should have no interests other than work, so when Ram Prasad wants to watch a hockey test, Ram Prasad tells him that his mother is sick to get leave. Of course, Bhavani goes to the same hockey test and spots Ram Prasad. When confronted at work, Ram Prasad tells him that he has a twin, who is good-for-nothing, who wears loud clothes and is clean-shaven and westernized. Turns out the twin knows music, so to rehabilitate him, Bhavani offers him a job teaching music to his daughter. Complications follow...