Hare Rama Hare Krishna was the biggest hit movie of 1971. Filmed almost entirely in Kathmandu, the capital of Nepal, the movie depicts not only with the theme of a broken family, but also a relationship between a brother and a sister, as well as drugs and the hippie movement, which made many people think that it involved the ISKON - the movement for Krishna consciousness.

The movie begins with scenes of drugs and being informed that the woman dancing in front is the narrator's sister. Going back to the past the brother and sister are happily playing around the house only to hear their parents arguing. This soon leads to a split in the family. The brother goes with the mother and the sister with the father.

As years pass, the brother goes in search of his sister and is informed that she no longer lives with the father and that she has moved to Nepal. Here, Prashant, the brother not only finds love, but he also finds his sister, Janice. But he finds out that she is not only in the wrong company of friends but is also on drugs as she wants to block all memory of her past. With help of Shanti, his love, the brother tries to get his sister away from all this but has to overcome many obstacles, including people who stoop to all sorts of levels to stop him This is a multi cast movie and is led by the director and producer himself, Dev Anand and also stars Zeenat Aman (her first movie), Mumtaz, Rajendranath, Prem Chopra, Jnr Mehmood, A.K. Hangal and Achala Sachdev. The music is superbly provided by the late R.D. Burman, whose last score was "1942 - A Love Story." During the filming, Dev Anand asked Panchamda (R.D. Burman) to compose something special for this film. Days later Panchamda came back with the composition of "Dum Maro Dum." The song was an instant hit.