NEW DELHI, Feb. 22 -- The upcoming inauguration of the Sela tunnel in Arunachal Pradesh, which will help boost the Indian Army's posture near the China border, stands testament to the country's commitment to fortifying its border infrastructure, exemplifying a strategic imperative aimed at bolstering national security, said military affairs expert Lieutenant General Harpal Singh (retd), who oversaw critical phases of the project as the head of the Border Roads Organisation (BRO)....