Hi Sahil
There are both Online and offline courses which is related to share market.
Some of them are
1) Certificate course in share Market
This course is from 1-3 years ans a person who has 50% or more in 10+2 can apply.
Some of the colleges are
St.Josephs College of Commerce,Bangalore
Guru Nanak Khalsa College, Mumbai
University of Mumbai.

2)Online

• Investing in Stocks by Steve Ballinger
• Complete Foundation of Stock Trading course(Mohshenn Hassan).
• Guide to stock Trading(Luca Moshini)
• Stock Trading with Technical Analysis(Nrupan)

3) Books
The Intelligent Investor by Benjamin Graham
Think and Grow Rich by Napollian Hill

Hope this will help you.
Thank you