basics of options

Hi All, I've just started learning the basics of options trading and wanted to get few doubts resolved. my understanding is in buy a call option, we earn from the change in premium. is this understanding correct ? Further, consider the following scenario: nifty currently trading at 9142 lot...

Guys, Here are two videos explaining the Basics of Options in Hindi and English You may watch at below youtube URL Hindi https://www.youtube.com/watch?v=XXpQ3xja53g English https://www.youtube.com/watch?v=da_DAJ7xAT8