New Delhi, March 12 (IANS): State miner Coal India Limited's (CIL) officers will go on a three-day strike from Thursday over their demands, that include performance-related pay and a new pension scheme.

"Coal Mines officers' Association of India has served a strike notice against non-finalisation of performance-related pay, new pension scheme and other demands," the company said in a filing Wednesday to the Bombay Stock Exchange (BSE).

The officers want payment of performance-related pay pending since 2007, immediate refund of recovered performance-linked pay advance from retired executives, implementation of a new pension scheme at once and removal of pay anomalies of different grades, among others, it added.

A senior CIL official told IANS the company did not expect much impact on mining operations, as workers are not joining the strike called by the officers' union. However, some administrative and technical work could be affected.

Of the CIL's 350,000 employees, 19,000 are of officer rank.

Coal India, which produces 80 percent of the country's coal output, is expected to excavate about 475 million tonnes (MT) in the current fiscal. In the eleven months of the financial year till February, it has produced 409.13 MT of its yearly target.