Can i sell call option? buy put option?

hi,
in option trading can i sell call option? and buy put option? in call option if market crashes can i sell call option?

please go through these, i am sure you will become an expert after reading theseā€¦

HI Venna

I understand you have to go through what is call and what is put, before starting trade. the zerodha varsity module explain very nicely about options trading.