The expert committee engaged by the Archaeological Survey of India (ASI) to go into the alleged damage caused to the historic Rangghar by the seismic survey carried out by the Oil and Natural Gas Corporation Ltd (ONGCL), has been learnt to have called for a policy of the State Government to regulate blast and mining activities in and around the historic sites. According to information available with this newspaper, the committee has also asked the Government to engage mining experts to ascertain the impact of the ONGCL seismic survey on the Rangghar.