Rinkesh Prasad Singh, a clerk in the Bihar Regimental Centre, allegedly shot jawan Santosh Singh at his home in the Danapur Cantonment. Rinkesh Singh then killed himself.
Rinkesh Singh had been Santosh Singh's instructor in the past and the two were very close.
Reports suggest Rinkesh Singh wanted Santosh Singh to marry one of his cousins and the two fought over it yesterday. Santosh, who rejected the marriage, was shot dead by Rinkesh, who then tried to commit suicide, and then finally, shot himself.