GUWAHATI, March 13: Oil India Ltd (OIL), Pipeline Headquarters was conferred first prize for excellent performance shown towards implementing and promoting official language (Rajbhasha) during 2016-17 in the north-eastern region. According to a press release, the Rajbhasha Shield was received by CGM (pipeline services) Bijon Kumar Mishra from Union Minister of State for Home Affairs Kiren Rijiju.