Under Section 8(2) of the Arms Act, 1959, sale or transfer of a firearm is prohibited if it does not…

Section 8(2) bars the sale or transfer of a firearm which "does not bear the name of the maker, manufacturer's number or other identification mark" shown in a manner approved by the Central Government. Any one of these marks will do; a licence number or the owner's name is not required, and the approving authority is the Central Government, not the State.