Singh, who is in Bahrain, called up Odisha Chief Minister Naveen Patnaik, who apprised him about the incident and the prevailing situation in the state.
The Home Minister assured the Chief Minister of providing all central assistance in its fight against the Naxals, official sources said.
At least 24 Maoists, including their top leaders, were gunned down in a fierce gun-battle with security forces in Odisha's Malkangiri district on the border with Andhra Pradesh yesterday, giving a major blow to the ultras.