There are the various course you can do after 12th National stock exchange provided some short-term courses in the stock market where you can get the certificate Trading basics
Introduction to financial market
Investing managements
Trading strategies in emerging market
Basics course of technical analysis
Advance courses of technical analysis
However, if you want to learn fundamental and technical analysis you can join the various institute like the NIFTY trading institute, National stock exchange for short-term courses,radical Institute of the stock market, Maheswari institute, Arihant capital market, Kalpataru Institute of capital market, Sharemarketshiksha etc.
(Source: https://www.quora.com/What-are-some-reputable-courses-after-12-related-to-stock-market)
sharemarketshiksha 