In India, most of the petroleum reserves are found in Bombay high and in the states of Gujarat, Assam, Andhra Pradesh and Tamil Nadu. Bombay High oil field extend in Arabian Sea near to Mumbai has the largest reserves of Petroleum and has the largest reserves of Petroleum and has the highest production of crude oil in India. Gujarat is the second leading oil producing area in India. Its important oil fields are Ankaleswar, Cambay, Kalol, Navgaon and Mehsena. Petroleum was first discovered in India at Makum in Assam- Formerly, Assam was, the leading producer of crude oil. Now it ranks third. The main oil fields are Digboi, Naharkatiya, Moran-Hugrijan, Sibsagar and Rudrasagar. The other oil fields are located in the basin and deltas of the Godavari, the Krishna and the Kaveri river.
