Section 321(1) in Gauhati Municipal Corporation Act, 1971
(1)It shall be the duty of the father or mother of every child born in the city and in default of the father or mother, any relation of the child living in the same premises, and in default of such relation, the person having charge of the child, to give to the best of his knowledge and belief to the Sub-Registrar of the area concerned within seven days, after such birth, information containing such particulars as may be required by bye-laws made in this behalf.