Chenani-Nashri Tunnel, officially known as Dr. Syama Prasad Mookerjee Tunnel, is a 9.28-kilometre-long road tunnel connecting the towns of Chenani and Nashri in Jammu and Kashmir, India. It carries two lanes of National Highway 44. From Wikipedia
Heavy rains triggered by a cloudburst in Ramban district caused mudslides and flash floods, blocking the critical highway and prompting safety warnings along the Chenab riverbank.