Basin Category:
Category : Proven Commercial Productivity
Assam-Arakan, Cambay, Cauvery, Krishna-Godawari Offshore, Mumbai Offshore,Rajasthan.
Category : Identified Prospectivity
Kutch, Mahanadi-Nec, Andaman-Nicobar.
Category : Prospective Basins
Bengal, Ganga Valley, Himalyan Foreland, Kerla-Konkan Lakshdweep, Saurashtra, Vindhyan, Purnea.
Category : Potentially Prospective
Bastar, Bhima Kaladgi, Chhattisgarh, Cuddapah, Deccan Syneclise, Karewa, Narmada, Pranhita Godavari, Satpura-S.Rewa-Damodar, Spiti Zanskar
Category : Proven Commercial Productivity
Assam-Arakan, Cambay, Cauvery, Krishna-Godawari Offshore, Mumbai Offshore,Rajasthan.
Category : Identified Prospectivity
Kutch, Mahanadi-Nec, Andaman-Nicobar.
Category : Prospective Basins
Bengal, Ganga Valley, Himalyan Foreland, Kerla-Konkan Lakshdweep, Saurashtra, Vindhyan, Purnea.
Category : Potentially Prospective
Bastar, Bhima Kaladgi, Chhattisgarh, Cuddapah, Deccan Syneclise, Karewa, Narmada, Pranhita Godavari, Satpura-S.Rewa-Damodar, Spiti Zanskar
Note:Taken from http://www.dghindia.org