However, Langstieh's resignation letter is still under process and he is yet to be discharged of his duties by the power ministry, the sources added.
"I have resigned," Langstieh said when contacted, without citing any reason for his decision.
He will go back to the Indian Audit and Accounts Service cutting short his tenure at DVC which was for five years, the sources added.
Langstieh had joined DVC in September 1, 2014. Langstieh is an officer of the 1982 batch of the Indian Audit and Accounts Service.
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Under him,, DVC recovered debt worth Rs 5,500 crore of which a majority was from the Jharkhand government.
DVC also commissioned Bokoro thermal power plant of 500MW and Raghunathpur of 1200MW, improved plant Load factor from 47 per cent in 2014-15 to 53 per cent in FY17 and recorded highest power generation at 33,581 million units.
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