Section 366(a) in The Bombay Provincial Municipal Corporations Act, 1949
(a)in the case of an illegitimate child, no person shall, as father of such child, be required to give information under this Act concerning the birth or such child, and the Registrar General or Registrar, as the case may be, shall not enter in the register the name of any person as father of such child, unless at the joint request of the mother and of the person acknowledging himself to be the father of such child, and such person shall in such case sign the register together with the mother;