jack fruit - kerala - tamilnadu

 best for keral as easy to grow with out supplying water like irrigation

tamilnadu produces 50k tonnes per year. 

50 fruits per tree on avaerage

 40 trees per acre, 

 10 kg per fruit average, t 20 tonnes per acre to 32 tonens 

at Rs.10 per kg - 32000X10 = 3.2 lakh

project report

https://www.amrafarms.com/jackfruit-farming-profit-expense-and-more.html