The Magistrate may, for the purposes of an inquiry under section 156 or section 157—
(a) direct a local investigation to be made by such person as he thinks fit; or
(b) summon and examine an expert.
CHAPTER XI MAINTENANCE OF PUBLIC ORDER AND TRANQUILLITY · B.—Public nuisances
Section 158: Power of Magistrate to direct local investigation and examination of an expert
The Bharatiya Nagarik Suraksha Sanhita, 2023
Corresponding CrPC provision
As given in the correspondence table of the National Crime Records Bureau (Ministry of Home Affairs). Read both texts before relying on it. NCRB table