As per CPC Law Compensatory Costs in respect of false or vexatious claims or defences.
(1) If in any suit or other proceeding,
2(including an execution proceeding), not being an appeal, any party objects
to the claim or defence on the ground that the claim or defence or any part of it is, as against the objector, false or vexatious to the knowledge of the party by whom it has been put forward, and if thereafter, as against the objector, such claim or defence is disallowed, abandoned or withdrawn in whole or in part, the Court, if the objection has been taken at the earliest opportunity and if it is satisfied of the justice thereof, may, after recording its reasons for holding such claim or defence to be false or vexatious.

Cost in CPC | Section 35 of CPC | Compensatory Costs