Let's explore/research if you are interested to start some agriculture based food processing industries like Mango, Papaya, Banana, Guava pulp/juice /dried/puree/jam etc., extraction in and around Kadapa District, especially in and around Railway Kodur and also around Tirupati, the areas where have a lot of potential to start on availability of the resources.
All the best!
http://www.apeda.gov.in/apedawebsite/index.asp
http://www.jwalaengineering.co.in/
http://www.finedriedfoods.com/
http://www.jains.com/fruit/food%20processing.htm
http://www.mofpi.nic.in/
http://www.youtube.com/user/ignousoa?feature=watch
All the best!
http://www.apeda.gov.in/apedawebsite/index.asp
http://www.jwalaengineering.co.in/
http://www.finedriedfoods.com/
http://www.jains.com/fruit/food%20processing.htm
http://www.mofpi.nic.in/
http://www.youtube.com/user/ignousoa?feature=watch