Digging into the belly of towering mountains to carve tunnels into them under the ever-present danger of falling rocks and mudslides was never going to be a trivial matter. The constant threat of mishap lurked every step of the way. The technology and machinery available in the country were never going to be a match to this gargantuan task. Sreedharan and his team prepared to travel around the globe to get appropriate machinery for the mission.
