Option NRML - Do i need to close position

I am new to Options Trading , Do i Need to Square off an Option sell NRML contract ?

If yes, Any charges ?

When you are making losses or think you have reached your target price, you will have to square-off, right?

Usual brokerage and other charges. You can calculate them here.

Why don’t you read the following module on Varsity, will help you understand the Options better.