<p>Uttarkashi: Drilling through the rubble to prepare an escape route for the 41 workers trapped inside the Silkyara tunnel was set to resume on Friday morning, a day after another snag hit the rescue efforts, an official said.</p>.<p>Former advisor to the prime minister's office Bhaskar Khulbe said the operation might successfully be completed by Friday evening if everything went well.</p>.<p>Citing the data scanned by a ground penetrating radar, there is no metallic obstruction up to five metres beyond the 46 metre point through the rubble.</p>.Uttarakhand tunnel rescue: Board games, playing cards to help trapped workers relieve stress.<p>The drilling machine's platform has been revamped and strengthened. Boring through the rubble with auger is likely to resume by 11.30 am, Khulbe told reporters at Silkyara.</p>.<p> "We have 12-14 metres more to go. And I hope if all goes well we might conclude the operation by Friday evening," he said. </p>
<p>Uttarkashi: Drilling through the rubble to prepare an escape route for the 41 workers trapped inside the Silkyara tunnel was set to resume on Friday morning, a day after another snag hit the rescue efforts, an official said.</p>.<p>Former advisor to the prime minister's office Bhaskar Khulbe said the operation might successfully be completed by Friday evening if everything went well.</p>.<p>Citing the data scanned by a ground penetrating radar, there is no metallic obstruction up to five metres beyond the 46 metre point through the rubble.</p>.Uttarakhand tunnel rescue: Board games, playing cards to help trapped workers relieve stress.<p>The drilling machine's platform has been revamped and strengthened. Boring through the rubble with auger is likely to resume by 11.30 am, Khulbe told reporters at Silkyara.</p>.<p> "We have 12-14 metres more to go. And I hope if all goes well we might conclude the operation by Friday evening," he said. </p>