Direction

Both are good. I think that for becoming a director, more than your qualification, your creativity matters. You should have a good sense of people's emotions, wants, and opinions. You should think out of the box.
As such, in my opinion, a certification course can give you many new opportunities.
Best of luck!

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All the best.

Hello Tushar, If you were domiciled in Tamil Nadu, then CET is not required. Admission is based on the marks obtained in class 12th. But, in almost all other states and engineering colleges, CET is the norm. Perhaps, Amity University is one deemed University that accepts high scorer directly.

Christ University, Bangalore
Eastern Fare Music Foundation
Karnataka Chitrakala Parishath
National Academy of Cinema and Television
Sri Veena Vani School of Music
Rhythms Institute of Fine Arts
Srishti School of Art, Design and Technology
CREO Valley School Of Film & Television
AIMS Institute, Bangalore
Reva University, Bangalore.

You've scored too low, also, you'll get your college through JEE Mains marks, so mention your marks and rank first.

You can get the college list from the below given link:
https://www.shiksha.com/arts-fine-visual-performing/film-making/colleges/direction-colleges-india

To prepare for PG in direction and screenplay, you need to focus on Indian cinema history, Indian culture, Indian art, music, basic of direction writing and general awareness.