Hey Princey!

To become a pilot after 12th , you must pursue a bachelors degree in aeronautical engineering or aviation. And after that , you must have a training experience of upto 2 months with more than 1500 hours of flight experience.

And the minimum qualification to pursue the degree in same is 10+2 passed with a minimum aggregate of 55% with  physics , chemistry and maths as main subjects.

To know the sames of some good colleges for aeronautical engineering in india , follow the given link :

https://engineering.careers360.com/colleges/list-of-aeronautical-engineering-colleges-in-india

Feel free to ask in case of any further queries!