Seeta and Geeta
The story is about identical twins who are separated at birth and grow up with different temperaments. The twins then swap places.
Starring Hema Malini, Sanjeev Kumar, Dharmendra, Manorama, Satyendra Kapoor, Roopesh Kumar, Honey Irani, Pratima Devi, Kamal Kapoor
Watch "Seeta and Geeta" on Amazon released in 1972. It's a comedy and action & adventure movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.