"The state government will earmark a separate fund to replenish all these areas to make it fit for vegetation and farming activities," Chief Minister Mukul Sangma said in the Assembly.
Stating that many other countries had done the same, he said, "Mapping will also be done on all those areas affected by mining including abandon coal mines across the state for the purpose of reclaiming."
He said it would a part of various initiatives taken by the government to protect the environment.
The order came after the All Dimasa Students' Union moved the NGT claiming that rat-hole mining in Jaintia Hills was polluting the Kopili River and turning its water acidic.