The DGCA, which has suspended two pilots King Rotors, whose helicopters were allegedly used by Singh for flying within the state whereas it was meant for anti-naxal operations, according to DGCA sources.
But Director (Aviation) of the state government, Rajat Kumar, disputed the DGCA official's charges saying there was no violations.
The helicopter operator had entered into an agreement with the state government in first week of July this year for anti-naxal operations in Bastar, the worst hit naxal district.
"The helicopter operator is paid for such sorties from the civil aviation fund of the state government and not from the anti-naxal operation fund from the Union Home Ministry," he said.
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The DGCA rules mandate that a VVIP has to be flown in a twin-engine helicopter and the aviation regulator had claimed that the Chhattisgarh Chief Minister had used a single engine at some occasions.
Kumar countered it by saying that while high precaution was maintained for travel of the Chief Minister but on occasions, due to non-availability of such machine, he was flown in a single-engine chopper keeping his security in mind.
Naxalites have been targeting senior politicians and para-military forces during their road movement. Senior Congress leader and father of anti-naxalite movement Mahinder Karma and former Union Minister V C Shukla were among 28 people killed near Sukhma in 2013 when they were travelling by road.
Kumar also said that the state government had received no notice from the DGCA so far.