In course of search of the general bogey of Bhagalpur-Jamalpur passenger train in wee hours today, GRP personnel found a body, Jamalpur GRP police station Officer in-charge (OC) Kripa Sagar said.
The dead person was identified as Umesh Sah, a resident of Tikarampur village of Munger district, he said.
The deceased after retirement from army was engaged in some contractual work with army at Siliguri in West Bengal.
The OC suspects that miscreants shot him dead in course of a loot bid in the train at the odd hour.