Want to buy green peppercorns

Hello Coimbatorians, I'm from Mumbai and in Coimbatore for today. Just thought of buying green peppercorns. Tomorrow travelling to Ooty for 3 days. What would be a good place to buy green peppercorns in Coimbatore or Ooty? Pricewise, green peppercorns are costly in Mumbai. Any insight is appreciated. Thanks