6 Penalty. 6. Any person who contravenes the provisions of section 3 or section 4 shall be punishable on first conviction with imprisonment of either description for a term which may extend to two years, and with fine which may extend to two thousand rupees, and in the event of a second or subsequent conviction with imprisonment for a term of not less than six months but which may extend to five years and also with a fine not less than ten thousand rupees but which may extend to one lakh rupees. * * * * *