At the Silkyara tunnel, the 12 experts were called by Trenchless Engineering Services Pvt Ltd and Navayuga Engineers Pvt Ltd to deploy the rat-hole mining technique horizontally in the collapsed part of the main structure.
A bench headed by Chief Justice D Y Chandrachud and justices J B Pardiwala and Manoj Misra was hearing a plea of the Delhi government against any move by the Centre to appoint, without any consultation with it, the new chief secretary or extend the tenure of the current top civil servant Naresh Kumar who, otherwise, is set to demit office on November 30.
In March, the high court had allowed a Gujarat University petition and quashed a Central Information Commission order that directed the university to ‘search for information’ on PM Narendra Modi’s degrees.