Turmeric is a very profitable crop. It can be cultivated as monocrop or intercrop with other plantation crops in their initial stage. Here is the cost and benefit in turmeric farming in India.
The cost of turmeric seed is around 50000/- per acre with total cost of cultivation per acre is around 150000/-. Average yield is between 20-40 quintal. The price for high quality finger turmeric is around 15000/- per quintal though the market price fluctuates.
Buy turmeric cultivation project report for detailed economics. Also read turmeric cultivation process in India.