Coal India (CIL) has set a target of producing 1 billion tonne (BT) coal by FY26. Just last fiscal, it increased its output by 81 million tonne (MT) to 703 MT. The state-run miner aims to help substitute 100 MT of coal imports and begin exports next fiscal. Outgoing chairman Pramod Agrawal says coal will remain the mainstay for thermal power in the next two decades too. Excerpts from an interview with Manish Gupta