The 129th Battalion of the Central Reserve Police Force was deployed in Assam in 2000 to help maintain peace and contain the activities of ULFA insurgents. Its personnel carried out operational duties in support of security efforts across the state.
On 19 October 2000, Constable K. Anjanyelu was among the CRPF personnel moving to reinforce Assam Police commandos who had been attacked by insurgents at Sanhaibari. The reinforcement party came into the confrontation as the situation developed into an exchange of fire.
The CRPF personnel responded with effective fire and succeeded in repulsing the attack. During the encounter, Anjanyelu sustained bullet injuries. The official account commemorates his action alongside Constable J. D. Khole and Constable Ram Prakash, who were also part of the party.
Anjanyelu later succumbed to his injuries. The memorial records that the three constables died with their weapons firmly in their hands, reflecting the circumstances in which they continued to perform their duty. He made the supreme sacrifice on 19 October 2000 in Assam.
