Comment on Basics on Options Shorting/Writing
Kakoli,
I guess if you are starting off it is best to start off buying options, and move to option writing once you are proficient. There are a bunch of books on option theory, but you would probably not understand until you have traded a bit. Try reading the derivative modules provided by NSE, Click this link: http://nseindia.com/education/content/module_ncfm.htm