The Assam Police has issued an advisory to Oil India Ltd (OIL) and ONGC regarding probable subversive activities by banned ULFA(I) militants on their installations in the state as well as their employees, officials said on Thursday.

from Times of India https://timesofindia.indiatimes.com/india/assam-police-alerts-oil-india-ongc-of-possible-militant-attack/articleshow/91666880.cms