The task force, headed by Inspector General of Police Sanjay Gunjyal, has been set up as per directions of Chief Minister Harish Rawat, Chief Secretary Subhash Kumar said.
Gunjyal has been appointed in-charge of the task force which will conduct combing operations over the next 20 days, the Chief Secretary said.
Personnel from ITBP, local police and SDRF have been included in the task force, he said.
To be started immediately, the campaign will be over in the next 20 days, Kumar said adding the task force has also been authorised to cremate the bodies after their DNA sampling and other formalities.