Previous estimates had the country's power demand showing growth of 2.7pc for 2022 and have now been readjusted to 1.7pc growth for this year over 2021.
"None of the [actions required] will be feasible if the supply of metals does not keep pace with the spectacular demands expected to be created by the needs of the energy transition," said McKay.
India is likely to face more power cuts this year as utilities' coal inventories are at the lowest pre-summer levels in at least nine years and electricity demand is expected to rise at the fastest pace in at least 38 years, officials and analysts say.