Do research, these things are very simple , looks complicate but if you get your hand once on these things , you will rockkk! I thing aleays remember never be very bullish in stock market , remain bullish but not so like rakesh junjunwala target of 160000 on nifty in 2020, ( nifty ke wande ho rahe hae 8000 cross karne main abhi, even if market corrects 15% from here , its still normal, market even that point of time in not undervalued!