Singh arrived in Raipur at around 10.30 AM and directly headed to the headquarters of the 4th battalion of Chhattisgarh Armed Force in Mana camp area where the wreath- laying ceremony was held.
Chhattisgarh Governor Balramji Das Tandon, Chief Minister Raman Singh, Union Minister of State for Home Affairs Hansraj Ahir and senior state and paramilitary officials were also present on the occasion.
Singh then held a meeting with the chief minister and other senior officials of the state.
The nearly 100-strong CRPF patrol providing security for road construction work came under fierce gunfire from Maoist guerrillas occupying vantage positions, inflicting heavy casualties on the personnel.
The Naxalites mounted the assault in Kalapathar area of south Bastar region, one of the worst-hit by Left-wing extremism in the country.