Aviation

This depends on what you want to study further, generally science students can apply for any field.

You can only join a domestic airlines after 12th as for international airlines you need to be a graduate.

The minimum eligibility requisite for this course is a Bachelor's degree in any discipline with a minimum of 45-50% in aggregate.

Hi,
Answers to all your questions have been given by the pilot himself in the following article at shiksha. Read it and if you still have any queries, write to him:
https://www.shiksha.com/career-in-commercial-flying-all-you-need-to-know-article-13472-1

Hi,
You may apply for a Diploma offered by many institutes like Frankfinn, IATA, etc. through their websites or in person. Choose from here:
https://hospitality.shiksha.com/diploma-in-cabin-crew-training-in-india-categorypage-6-87-271-0-0-1-1-2-none-1-0

Hi,
PCB ideally has no connection with these three buy your interest, skills, personality, abilities do have. Best way is to go through the course structure of each and then decide how you want to spend next three years and will it match with your interest or not?

Hi,
AAI manages 125 airports, including 11 international airports, 8 customs airport, 81 domestic airports and 27 civil enclaves in areas including air defense. AAI 2.8 million square nautical miles of air space provides air navigation facilities. You can apply through their career section once you have completed your degree in any of the requirements from HR, Ground staff, cargo, management, etc.

Yes, the specialisation is MBA in aviation.

Hi,
You may either have to start with PPL or pass class 12th with mathematics and physics from NIOS with at least 60%.
You can check the below mentioned link:
https://www.shiksha.com/career-in-commercial-flying-all-you-need-to-know-article-13472-1