The government currently holds 79.65 per cent stake in Coal India (CIL).
Sources said the CIL stake sale proposal may be placed before the Cabinet, headed by Prime Minister Narendra Modi.
At the current prices, a 10 per cent stake sale could fetch about Rs 24,800 crore.
Shares of CIL were trading at Rs 393.20, down 3.85 per cent on the BSE.
The government had last sold 10 per cent stake in the bluechip coal major on January 31, 2015. It had then garnered Rs 22,557 crore to the exchequer.
So far this fiscal, due to volatile markets the government has sold stake in two PSUs -- REC and PFC -- and garnered over Rs 3,000 crore.
The government has set a target of Rs 69,500 crore to be garnered through PSU stake sale.