India, Oct. 30 -- A helicopter with six on board, including the pilot, crashed near Jyotirmath in Uttarakhand on Friday, the latest accident on the state's pilgrim helicopter routes, where regulators have tightened the rules for flying several times in the past four years.

Rescuers recovered six bodies from the site in Chamoli district, near the town formerly known as Joshimath. The helicopter, operated by Trans Bharat Aviation, was flying from Badrinath to Dehradun. The cause of the crash has not been established. The Uttarakhand Civil Aviation Development Authority (UCADA), the state body that manages helicopter operations for the pilgrimage, has grounded the company's fleet as a precaution.

Helicopters on the Char Dham circuit, which...