The market has been constantly falling for 4-5 months, which is happening due to sell-offs by FIIs and other negative global cues. The first thing you can do is to have patience and not do panic selling as it can worsen the situation. You should trade with strict stoploss and manage the risk properly, and focus on shares of companies with strong fundamentals only. Additionally, Corrections are buying opportunities for the next Bull run, so you can invest in small amounts during correction.