Government Flying Training School

Yes, you can.
Commercial Pilot - Eligibility
A candidate should have scored a minimum aggregate of 50% marks to become eligible for CPL. The minimum age limit for CPL is 17 years, and the maximum age limit is 60 to 65 years. A candidate is required to pass the class 2 medical test to become eligible for CPL.

No, you should first finish your 12th and then you can join us.

To become a pilot, you can get direct admission in a top pilot training institution. But you have to qualify the entrance exam & must be physically fit as per the standards of the aviation industry.

Yes, consult with the authorities who are concerned with the same.

Go for an academy which trains pilot and then proceed further according to your interest.

Yes. You will become fluent over a period of time.

Hello Siva Kumar Thuraka,
Yes of course. The eligibility for joining the course is 10+2 with PCM or equivalent. You can definitely think of discontinuing engineering and taking admission in a flying school.
Best wishes to you .