In which state India’s longest road tunnel is coming up?
[A]Himachal Pradesh
[C]Jammu and Kashmir

Jammu and Kashmir India’s longest road tunnel is ready to open in Udhampur, Jammu and Kashmir. The tunnel will cut the distance between Jammu and Srinagar by 30 kilometers. The tunnel is 9.2- kilometer-long and is part of the ambitious 286 km-long four-laning of the Jammu-Srinagar national highway. The road is likely to be opened to traffic in July 2016.