Supply by Coal India (CIL) and Singareni Collieries to the power sector dipped in April amid a slump in fuel demand in the country on account of the lockdown. CIL despatched 31.95 million tonnes (mt) of coal to the power sector in April, 21.9 per cent lower than 4.90mt supplied in the same period a year ago. Singareni Collieries supplied 2.86mt in April against 4.66mt a year ago, down 38.6 per cent,according to coal ministry data. The dues payable by the power sector to Coal India at the end of April swelled to Rs 17,000.64 crore against Rs 14,374.05 crore at the end of March and Rs 9,908 crore at the end of April 2019.