Three IOC refineries of hit by strike: Source

The affected plants are IOC8217;s 260,000 barrel per day bpd Koyali refinery,the 240,000 bpd Panipat refinery and the 120,000 bpd Haldia refinery,the company source said.

8220;Cooling down operations have begun at Koyali,Panipat and Haldia refineries. Mathura refinery is working at the moment,8221; the official,who did not want to be identified,told Reuters.

Officials at state-run firms began an indefinite strike earlier on Wednesday,demanding higher wages.