Every Registrar of Births and Deaths of notice of a birth or death within the local area or among the class for which he is appointed, shall, if the notice is given within the prescribed time and in the prescribed mode by a person authorized by this Act to give the notice, forthwith make an entry of the birth or death in the proper register book:

   Provided that—

   (a)  if he has reason to believe the notice to be in any respect false, he may refuse to register the birth or death until he receives an order from the Judge of the District Court directing him to make the entry and prescribing the manner in which the entry is to be made; and

   (b)  he shall not enter in the register the name of any person as father of an illegitimate child, unless at the request of the mother and of the person acknowledging himself to be the father of the child.