Pilot eligibility

Medical Class:
Pilot Type
First-Class
Airline Transport Pilot
Second-Class
Commercial Pilot
Third-Class
Private Pilot
Distant Vision:
20/20 or better in each eye separately, with or without correction.
20/40 or better in each eye separately, with or without correction.
Near Vision:
20/40 or better in each eye separately (Snellen equivalent), with or without correction, as measured at 16 inches.
Intermediate
Vision:
20/40 or better in each eye separately (Snellen equivalent), with or without correction at age 50 and over, as measured at 32 inches.
No requirement.
Color Vision
Ability to perceive those colors necessary for safe performance of airmen duties.

To become a commercial pilot:
* You need to first possess a Student Pilot License. You must be over 17 years of age and have completed 12th in Science (Physics and Mathematics) with 50%.
* Your vision in one eye must be perfect. In general medical terminology, it is called 6/6 eyesight. In the other eye, you could have an imperfection of 6/9, which must be correctable to 6/6.
General physical fitness is mandatory. You must be free of any disease that can hamper normal function.
* You need to register at a flying club which is recognized by Directorate General of Civil Aviation (DGCA), Government of India.
* Next is Private Pilot License which includes sixty hours of flying. A Commercial Pilot Licence may be obtained only after a PPL and 250 hours of flying.
2)Some of the institutes offering commercial pilot training are :
-Academy of Carver Aviation Private Limited, Pune
-All India Institute of Aeronautics, Dehradun
-Center for Civil Aviation Training (CCAT), Delhi
-Glorietta Aviation, Ghaziabad
-Fly wings Aviation PVT. LTD., Mumbai
For more, you may refer to the link mentioned below.
https://hospitality.shiksha.com/commercial-pilot-training-in-india-categorypage-6-87-301-0-0-1-1-2-0-none-1-0#page-top
While selecting the best institute, you need to check some of the important parameters such as recognition, year of establishment, batch size, syllabus, faculty, fees, placements, etc.