Which one will be the best career option: Game Development or Visual Effect?

Shubham, these are 2 very related directions, and the core/ base of designer is common. Best is to take a generic course and then later move into one of these lines. This is a field where nobody cares for your qualification, they only see if you can do quality work. In fact, the University Model has

As per the current situation Visual Effect, if you have graduated in IT.

Dear Shubham, Hi, both are good option and both are having it's own growth and demand. refer the links below to get the detail information. https://ask.shiksha.com/getTopicDetail/1177778/Hello-I-Am-A-Student-Of-Fyb-Com-But-I-Am-Not-Intrested-In-Studying-The-Only-Thing-I-Am-Intrested-Is-In-Gamings-An