The home minister held discussions with chief secretary and other officials of the state government on the situation arising due to the forest fire and offered all assistance from the Centre.
Singh directed central officials to provide all possible assistance to the state government to control the forest fires.
The home minister spoke to Governor K K Paul, who briefed him about the situation in the hill state.
The home ministry has already sent several teams of National Disaster Response Force to help the state government to douse the fire.
A Mi 17 chopper of the IAF on Sunday began water sprinkling operations in Nainital to control the forest fires.
Seven persons have been killed due to the forest fires, which have spread to sparsely populated remote hill areas. Pauri, Nainital, Rudraprayag and Tehri are among the worst-hit districts.
Union Environment Minister Prakash Javadekar has said that the Centre was taking the forest fires very seriously and making all efforts to control it.
He said the government will study the reasons behind such major fires and prepare an action plan accordingly.
'No achhe din' even after 2 yrs of Modi govt: Survey
BJP MLA: 'Shaktiman's death, a political conspiracy'
HC declines plea to adjourn petition on Prez rule in U'khand
CBI grills former deputy IAF chief in Agusta case
U'khand crisis: HC orders floor test in assembly on March 31