I would like to purchase to nubian

For goat purchase, Nubian is not the right first choice in India. If your aim is meat or fattening, look at Black Bengal, Barbari, Sirohi × Boer cross, Osmanabadi, or Malabari. If you want dairy, choose Jamunapari or Beetal. Tell me your purpose, and I will guide you to the best breed and buying price.