Options of IOC trading

HI, I have stock of IOC@90 RS, now it has come down to Rs74/-. So i wants to Sell Call of 90/- @0.15p. Now i ahve tried paper trading, although payout graph shows profit of Rs850 from 90/- and below. But with volatility, etc the trade become negative @75/-. so in that case what should i do. Even at 90, Greeks are D:-1319, V: -261, G=-247, T=405. so i cannot earn, it is all risk, so how can i resolve this issue.

Hi anyone knows solution to my question