Bahuguna, who described the scale of the devastation as unimaginable, said it would take one year for normal yatra to Kedarnath to be restored.
The first priority is to rescue the stranded people especially those on pilgrimage from various parts of the country, distribution of medicines and rehabilitation and compensation for the affected, he said.
Uttarakhand Principal Secretary (Home) Om Prakash said the death toll in the state has gone up to 150 but was not in a position to give the exact estimate since several villages in Chamoli and Rudraprayag districts in the upper reaches were still under water.
The state and Central governments have deployed all possible resources to deal with the immediate aftermath of the tragedy.
About 5,500 jawans and officers of the army, 3,000 men of the Border Roads Organisation and 600 ITBP personnel are engaged in relief and rescue efforts.
Thirteen teams of the National Disaster Response Force have been put into work. The Air Force has deployed 18 helicopters and C130 aircraft. Private helicopters are also being engaged by the state government.
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