NR achieves milestone for tunnel T-49 in Sumber-Arpinchala rail section February 18, 2022 | Under Construction The Northern Railway has achieved line and level breakthrough for 12.75 km tunnel T-49 in Sumber-Arpinchala section of the Jammu-Udhampur-Katra-Qazigund-Baramulla new rail line project. This content is restricted.