There are lots of institute or coaching to learn about the stock market in Mumbai like Dhanashri academy NISM National Institute of Security Market etc. But my personal experience you can learn it online, there is various institute which provides training online like Sharemarketshiksha their online classes are hugely flexible which will set you free from the hassles of attending the pre-assigned classes and give you the freedom to learn from wherever you are and whenever you can.
(Source: https://www.quora.com/Which-is-the-best-institute-coaching-to-learn-about-stock-market-in-mumbai)
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