Dehradun Apr 22 (UNI) As the pilgrimage to Kedarnath set off today, Prime Minister Narendra Modi appealed pilgrims visiting Uttarakhand to keep Himalayas clean, avoid single-use of plastic, buy local products and maintain sanctity of the four shrines including Gangotri, Yamunotri and Badrinath.Modi's appeal was part of a message sent to the state government with greetings for the start of annual Chardham Yatra 2026 on April 19 and opening of Kedarnath temple's portal today.In his five-point appeal to the pilgrims, Modi asked them to maintain cleanliness at the shrines, keep rivers clean with a pledge to avoid single-use plastic to preserve the sanctity of devbhumi.Modi asked pilgrims to respect the fragile Himalayan ecosystem and join hands...