You are keen to know more about stock trading rather than investing, both are different ways to make money.
One needs to learn and grasp the basic principle in trading is the law of probability. Will a stock X go up, will stock Y go down, should I hold, should I sell, what is the stop loss trigger. Trading involves bigger risks than investment.
I found this brief but simple pdf file worth reading 'Trading, who wins, who loses'
This 100x wealth creator by Raamodeo Aggrawal is also good ( every trader should be an investor to some extent).(https://www.motilaloswal.com/downloads/19-wcs-2014-100x-12-dec-2014.pdf)
Apart from books, there are many free online videos by trading experts which are useful
after you have understood the basics.
Some of the basics of trading are covered in many blogs like
You can also have the stock market trading apps, like stock edge, nse mobile trader and moneycontrol. As you are learning, please start dummy accounts and trade live with a small basket of stocks, maintain a profit/loss statement for each of these dummy accounts. Generally, with 5 lakhs in each account, you should be able to have a trade turnover of 30-35 lakhs with a 10-15% profit margin per month. Apart from the books, I hope this is useful.