Seven tourists, including three IIT Varanasi students, were killed and 10 sustained injuries as a tempo traveller fell into a gorge in Himachal Pradesh's Kullu district on Sunday evening, officials said.

The accident took place at 8:30 pm near Ghiyaghi in Banjar subdivision, they said.

Five tourists died on the spot while two others succumbed to injuries at the hospital, they added.

The deceased were identified as Saurabh, Priyanka Gupta, Kiran, a resident of Delhi, Rishab Raj, and Anshika Jain, Aditya, and Ananmaya from Uttar Pradesh, Kullu superintendent of police Gurdev Sharma said.

The injured included Rahul Goswami, Kshitija Agarwal, Priyapal, Ishan Gupta from Haryana, driver Ajay Chauhan, Abhinav Singh, Nishtha Badoni from Uttar Pradesh, Rushav from New Delhi, Lakshaya from Rajasthan and Jai Aggarwal from Madhya Pradesh, he said.

BJP MLA from Banjar Surender Shourie streamed a video on Facebook at 12.45 am on Monday, informing people about the accident that occurred in his Assembly segment.

The injured were first taken to Banjar hospital from where they have been referred to Kullu regional hospital for treatment after being given first aid, the MLA said.

The Banjar MLA thanked the district administration and the locals for carrying out rescue operation despite darkness.

Himachal Pradesh Chief Minister Jai Ram Thakur and Union minister Anurag Thakur, who hails from the state, expressed grief over the incident.

"I am deeply saddened to hear the news of the death of seven people in a road accident in Kullu. May God give peace to the departed souls and strength to the bereaved families. Wishing speedy recovery to the injured," the chief minister said in a tweet in Hindi.

"The accident near Ghiyagi in Kullu is very sad. My condolences to the bereaved families. I wish the injured a speedy recovery. May God give place to the departed souls," Anurag Thakur, the Union minister and Member of Parliament from Hamirpur, Himachal Pradesh tweeted in Hindi.