6. If any person performs upon any cow or other milch animal the operation called phuka he shall be deemed to have committed a cognizable offence and, shall be punished with fine which may extend to five hundred Taka, or with imprisonment for a term which may extend to two years, or with both, and the owner of the cow or other milch animal and any person in possession of or control over it shall be liable to the same punishment and the cow or the milch animal on which the operation of phuka was performed shall be forfeited to Government: Provided that in the case of a second or subsequent conviction of a person under this section, such person shall be punished both with fine which may extend to five hundred Taka and with imprisonment which may extend to two years.