Mutual fund charges and lock-in period

Hello, what is the brokerage charges of a mutual fund?

what is meant no lock-in period in mutual fund.


as i know in zerodha there is no brokerage charges for investment in mutual fund.
Lock in period means your money will remain locked in with the mutual fund company for a period of Time say three years.
same like you jailed for three years.(no bail).

thanx for answer
tell me NO LOCK IN mutual fund