New Delhi, Jan. 16 -- Coal Minister Piyush Goyal has written to Odisha Chief Minister Naveen Patnaik requesting speedy resolution of the issues that have caused an indefinite strike in the Talcher coalfields of state-run Mahanadi Coalfields Ltd (MCL) that has disrupted production.

The Talcher coalfields have been completely shut for the last three days owing to the indefinite strike called by the Talcher Surakshya Manch, the letter accessed by IANS says.

"It (strike) has reached the stage wherein mines safety has been adversely affected and may worsen as the machine deployed in mines may get submerged due to stoppage of pumping operations," Goyal said.

"This has already caused loss of coal production of more than 1 MT (million tonnes) at...