Dear Srikanth,
Hydroponics are little expensive setup for initial phase but production is much much higher than conventional agriculture. there are some agricultural companies offering Hydroponics set up. usually it is having three types and NFT is the major type which is using .
if you want to start this better have a practical experience with running farms in india or if you want to go for only feed for your dairy farm, you can start with less expenditure and you can get the videos in Youtube.
Future farms is the one major company who is offering the Hydroponics and MR. Nayak is guy who is working on GOA and there are many more .