(1) A protection order made under section 18 shall be in force till the aggrieved person applies for discharge.

(2) If the Magistrate, on receipt of an application from the aggrieved person or the respondent, is satisfied that there is a change in the circumstances requiring alteration, modification or revocation of any order made under this Act, he may, for reasons to be recorded in writing pass such order, as he may deem appropriate.