Section 449(1) in The Mumbai Municipal Corporation Act, 1888
(1)It shall be the duty of the nearest relatives of any person dying in the city present at the death, or in attendance during the last illness of the deceased and, in default of such relatives, of each person present at the death, and of the occupier of the premises in which, to his knowledge, the death took place, and, in default of the persons hereinbefore in this section mentioned, of each inmate of such premises, and of the undertaker or other person causing the corpse of the deceased person to be disposed of, to give, to the best of his knowledge and belief, to the officer appointed under the last preceding section, information of the particulars required to be registered concerning such death.