New Delhi, June 10 -- The Directorate General of Civil Aviation (DGCA) has ordered special audits/enhanced surveillance into helicopter operations involved in shuttle services in Uttarakhand following a spate of "occurrences" involving choppers during the Char Dham Yatra.

As a precautionary measure, DGCA is also reviewing the necessity of "curtailing" helicopter operations to Char Dham if required, it said.

On June 7, six people, including the pilot, had a narrow escape last Saturday when a Kestrel Aviation helicopter on its way to Kedarnath made an emergency landing on the highway in Rudraprayag district of Uttarakhand after developing a technical snag during take-off.

DGCA has also intensified its oversight of Char Dham helicopter oper...