1) obtain permission from muncipal corporation . running schools in residential establishments was against the law.
2) if you dont take permission stop work notice can be issued against you under section 52 of mahrashtra town planning act
3) 52. (1) Any person who, whether at his own instance or at the instance of any other person commences, undertakes or carries out development, or institutes, or changes the use of any land
(a) without permission required under this Act; or
(b) which is not in accordance with any permission granted or in contravention of any condition subject to which such permission has been granted;
(c) after the permission for development has been duly revoked; or
(d) in contravention of any permission which has been duly modified.
shall, on conviction, be punished with imprisonment for a term which shall not be less than one month but which may extend to three years and with fine which shall not be less than two thousand rupees but which may extend to five thousand rupees, and in the case of a continuing offence with a further daily fine which may extend to two hundred rupees for every day during which the offence continues after conviction for the first commission of the offence.