Guidance required to start New Project on vegetable farming

Hello Everyone,

  I have a 12 acer of coconut farm (about 25 year old trees). But now i wanted to start a vegetable cultivation as a intercrop with coconut trees. I have planed to cultivate Beans, Green chilli, Okra, Brinjal and china cabage for 2 acer each. please guide me through cultivation methods. also guide me through if any other crops suitable to cultivate. i have good water facility too.

Thank You

You can get the cultivation methods in but this is Tamilnadu Agricultural University Portal.  Use this as reference.