GUWAHATI: Oil India Limited (OIL), the country`s second largest national exploration and extraction company, and Numaligarh Refinery Limited (LNR), has set up a „COSA“ for the sale and purchase of crude oil. The COSA was signed Thursday at the oil pipeline Headquarters in Narengi, in the city. Harish Madhav, Finance Director, OIL, and Indranil Mittra, Director Finance, NRL signed the agreement on behalf of OIL and NRL in the presence of S.C Mishra, CMD, OIL and SK Barua, MD, NRL. Read also: Removing pollutants indoors with essential oils The agreement aims to streamline the sale and purchase of crude oil from fields in northeastern India. Oil India Ltd (OIL), the country`s second largest national oil researcher, has announced that it has signed an agreement with the Numaligarh refinery for the sale and purchase of crude oil. Also look: East Siang District Administration in Arunachal Pradesh cautiously on the Corona virus. „The Crude Oil Purchase Agreement (COSA) will take effect from April 1, 2020 to March 31, 2025, for a five-year term,“ the OIL said in a statement. The pact was signed by the CFOs of both companies.