Hyderabad, April 26 -- The experts committee constituted by the state government on the rescue operations inside the Srisailam Left Bank Canal (SLBC) is of the opinion that there is no other option for rescue operations and future works in the SLBC tunnel danger zone, except the traditional drill and blast method (DBM) through the inlet area.

During a meeting of officials and the members of the committee held at the Jala Soudha on Thursday, the experts felt that there is a risk of the tunnel collapse again in view of the layers of rocks, seepage of water and other factors in the 50-metre danger zone of the tunnel, where the rescue efforts have become increasingly risky.

A technical sub-committee has been formed to examine the environmen...