Districts. Significant numbers are also found in the districts of West Godavari , East Godavari , Chittoor , Nizamabad , Hyderabad (India) , Rangareddy , Anantapur and Nellore ; Bellary and Bangalore districts of Karnataka ; and Chennai , Madurai , Coimbatore , Tirunelveli , Tuticorin , Kovilpatti , Virudhunagar ,