The selection is based on merit come interview along with UGC NET. First of all a list is formed on the basis of grades of M.Sc and then interview was conducted in which your further research opinion was discussed. Based on all these parameters final list was made.
The conducted their own common entrance test. I scored 87% I had this as a next option after engineering, as i could not made it to my dream college for engineering so it was the best option i left rather then choice.
Its own entrance exam, got 2nd rank, and full scholarship for the first semester. Opted it because along with postgraduation, emphasis was paid on research too.