Kolkata, Jan 9: The Coal India board on Tuesday approved a non-coking coal price hike for both power and non-power consumers. The price increase is expected to push the miner’s revenue up by Rs 1,956 crore for the remaining period of the current fiscal. The price revision is effective from Tuesday and the projected incremental annual revenue would be Rs 6,421 crore. “The board has approved revision of non-coking coal prices with effect from January 9. This will be applicable to all the subsidiaries of Coal India including NEC for regulated and non regulated sectors,” the miner said in a late night filing on Monday.