The recovery of five bodies on Saturday takes the toll in the tragedy to 67 while 137 are still missing.
Uttarakhand Irrigation Minister Satpal Maharaj revived the debate about a lost nuclear device to be the reason behind the flash floods.
According to the inventory of Wadia Institute of Himalayan Geology, Dehradun the hill state has total of 1,266 glacial lakes.
All 10 working on the NTPC project site returned home on Friday after they were dropped at Haridwar by a bus arranged by the contractor they were working for.
These are the first bodies to be recovered from the site where muck-clearing and drilling operations have been underway on a war-footing since last Sunday.
After drilling the tunnel ground 12 meter deep and 75mm in diameter, the NTPC began widening it to almost one foot which is estimated to take 8 more hours.
Uttarakhand floods: New plan to drill hole with large diameter in Tapovan tunnel for camera insertion
Drilling of a 12-metre-long hole of 75 mm diameter in the intake adit tunnel to its inside has been successful, said NTPC General Manager, R P Ahirwal.
The ministry of environment and forests has stated, an affidavit on the “agreed position” will be filed in the court only in July.
Angry at the delay, family members of those trapped alleged that the National Thermal Power Corporation authorities were not doing enough.
A warning was issued to evacuate the rescue spot and leave for high grounds just in case another flash flood comes.
The development took place after a combined meeting of state government authorities, armed forces and the NTPC.
Two persons who were listed as missing in the avalanche and flash floods in Uttarakhand returned to their homes safely on Wednesday.
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Relief is being distributed by helicopters among villagers cut off due to the washing away of a bridge in the avalanche at Malari.
Kedarnath MLA Manoj Rawat said excavators and Pokland machines should be brought in to speed up the process.
Officials from the Army Medical Corps of the Indian Army said that they have been trapped without food, water and heat in the tunnel where temperatures plummet to as low as 2 degrees.