I must find this movie sometime - fine songs by Shankar Jaikishan, and wonderful dances too.
These are the Vajifdar sisters. They were bharatanatyam dancers. The better known sister, Shirin, was also a dance teacher and critic, and she was married to the writer Mulk Raj Anand. (I don’t really know anything about the other sister…) Aren’t they great? The vocals are by Lata and Asha.
And here’s a beautiful song sung by Lata on a 15-year-old Helen:
This is a nice dance too (dancer unidentified, but I’ll identify her as Cuckoo):