The Minister of State (I/C) for Petroleum & Natural Gas Shri Dharmendra Pradhan informed the Rajya Sabha in a written reply today that Directorate General of Hydrocarbons (DGH) has identified 52 exploration blocks for which in-principle necessary clearances have been obtained from all concerned Ministries/Departments, for offer under next round of bidding. A final decision on the regime under which new blocks would be awarded has not been taken by the Government.