Andhra Pradesh , Kammas are predominantly found in Khammam , Guntur , Prakasam and Krishna districts , West Godavari , East Godavari , Chittoor , Nizamabad , Hyderabad (India) , Rangareddy , Anantapur and Nellore ; Bellary and Bangalore districts of Karnataka ; and Chennai , Madurai , Coimbatore , Tirunelveli