dev anand ( or prashant ) and zeenat aman ( jasbir or janice ) be sibling bring up in single parent family . jasbir ( the sister ) grow up in an affluent environment but this be not enough to lead her to reject her life and ultimately join a hippie movement that eventually lead her to drug . prashant ( the brother ) on the other hand grow up in a less affluent environment but grow up to be a matured gentleman . the story mark prashant make effort to save his little sister ( who be perpetually in a trance ) from a hostile hippie environment . this movie stand the test of time and comment that cult and hippie group be a place for those who give up on their life when they should instead stand up and be count in the face of adversity . great music composition in this movie that mean different thing in different situation and to different people and and the director bring forth an eerie feeling to it .