If any person--
         (a) contravenes any provision of this Act or any rule made thereunder; or
         (b) prevents a Seed Inspector from taking sample under this Act; or
         (c) prevents a Seed Inspector from exercising any other power conferred on him by or under this Act,
he shall, on conviction, be punishable--
         (i) for the first offence with fine which may extend to five hundred rupees, and
         (ii) in the event of such person having been previously convicted of an offence under this section, with imprisonment for a term which may extend to six months, or with fine which may extend to one thousand rupees, or with both.