Dehradun/new delhi, Nov. 3 -- The Directorate General of Civil Aviation (DGCA) has called off charter helicopter services on the Char Dham route for the remainder of the season, which ends on November 16, when the Badrinath temple is set to close its portals. Earlier, a meeting between DGCA officials, officials with the Uttarakhand Civil Aviation Development Authority (UCADA) and helicopter operators at 11am on Monday failed to resolve a deadlock over the DCGA's fresh rule making co-pilots mandatory on all flights on the Char Dham circuit. It was introduced a day after a helicopter returning from Badrinath crashed near Jyotirmath, killing all six people on board. Many helicopter operators argued that the two-pilot rule was commercially unvi...