India is finally kick-starting the plan to build as many as 18 tunnels along the borders with Pakistan and China for faster troop mobility as well as storage of critical war-fighting assets like missiles, without the threat of detection by enemy satellites and spy drones. While preliminary work on seven tunnels is underway after requisite approvals, the construction of 11 more tunnels in Jammu & Kashmir, Sikkim and Arunachal Pradesh is now on the drawing board after "a strong endorsement'' by the Army.