"It is all the more important as the yatra season begins next month during which lakhs of devotees from across the country and abroad visit the four Himalayan shrines located in the state," an official release said here.
Norms regarding availability of at least two drivers in case of long journeys should be followed strictly, he said, adding stern action should be taken against drivers found drunk on duty.
He gave strict directions that accountability of the Transport Department and officials concerned should be set from now on in case of accidents.
The Char Dham yatra involves the shrines of Yamunotri, Gangotri, Kedarnath and Badrinath.