Under the latest delhi building bye-laws under MPD2021, is it legal to take on lease and run a real estates firm in the lower ground floor of a building in the residential area of group B category colony in south delhi? The land lord is agreeable to execute a registered lease deed in favor of the real estates registered firm. Does the land lord neds a prior permission/sanction from the MCD for running of a real estates firm in the basement of his building.