SHILLONG: Union Minister for Petroleum and Natural Gas, Dharmendra Pradhan calls upon Meghalaya Chief Minister, Dr Mukul Sangma at the later’s residence on Satuday during the Union Minister’s visit to Shillong. A Memorandum of Understanding was also signed between the Government of Meghalaya and Indian Oil Corporation Ltd (IOCL) during the meeting, according to a government communique.