Singh was in the national capital to attend some programmes and was scheduled to leave for Raipur tomorrow.
"I am extremely distressed to know about the Naxal attack in Sukma. I am cancelling my Delhi tour and returning to Chhattisgarh to attend a meeting," he wrote on Twitter.
At least 24 personnel of the Central Reserve Police Force (CRPF) have been killed by Naxals in Chhattisgarh's Sukma district.