1500 acres of grape farm in Tamil Nadu is almost impossible to buy from the open market.
One the cost of land is too high which will make your project nonviable. second you will find it very difficult to find 1500 acres of grape vineyards in one area.
it is advisable to buy barren land and start cultivation on your own.
what will be the maximum amount that you will be willing to pay for an acre of grape vineyard.