This is in raag Pahaadi. One of the most-used ragas in hindi films, and also in north indian film music in general.

Now that you reminded, here is another Pahadi in its full glory..



Song : Sahibaan Meri Sahibaan
Movie : Sahibaan
Singer : Anuradha Paudwal, Jolly Mukherjee
Stars : Rishi Kapoor, Madhuri Dixit
Music Director : Shiv-Hari (Shivkumar sharma - Hariprasad Chaurasia)