The teams have been launched from three directions of Patnikhal to Chandrakani,Bijli Mahadev to Chandrakani and Malana village to Chandrakani, a spokesperson for the Indo-Tibetan Border Police in New Delhi said, adding inclement weather was hampering search and rescue efforts.
"The 50-member team with special equipment is encountering bad weather," he said.
Seven students of Institute of Engineering and Technology (SLIET), Longowal in Punjab, along with a former student of the same institute had left from Nagger on Thursday on a trekking trip and are missing for over 50 hours now.
There has been no contact with the missing students and rescue teams are making all possible efforts to trace them, officials had said yesterday.
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The search teams had conducted aerial survey by helicopters but inclement weather and stormy conditions thwarted their efforts.
The missing students were identified as Hitendra Sharma from Theog, Chetan Chori and Saurav Sharma from Ambala, Ankush
Kumar from Gurdaspur, Rohit Kumar from Bhagpat district in Uttar Pradesh, Anil Kumar from Hamirpur, Akshay Kumar Bura from Chamba and Bharat Prakash from Kullu district.