If we look at Bank nifty option chain data (18JUN2020) then Total open intrest on calls side around 72 lakh and puts side also 51 lakh, here call writers are less as compare to put writers.
Further if we look at Implied volatility at ATM (at the money), we will find 45.37 % on put side and 57.20 % on call side, Which means From current Total OI & IV data shows Positive sentiments.
Similarly we can look for nifty option chain data. With that data also we are getting same sentiments.
You can see Option chain data by clicking Nifty 50 & Bank Nifty image.