Get latest articles and stories on India at LatestLY. Drilling to prepare an escape passage for 41 workers - trapped at Silkyara tunnel collapse site for a week now - remained suspended on Sunday, while Union Minister Nitin Gadkari who reviewed the rescue operation said another large diameter pipeline was being pushed through the rubble to provide essential supplies to them. India News | Drilling Remains Suspended at Silkyara Tunnel for Yet Another Day, Gadkari Reviews Rescue Operation.