Patrolling security personnel spotted a group of five poachers moving under suspicious circumstances near Malani camp under Bagori range, park officials said.
A fierce encounter followed between security forces and the poachers in which two poachers were killed on the spot while three others managed to escape.
The security personnel recovered a .303 rifle, live cartridges, several other ammunition, clothes and two mobile sets.
Massive combing operations were on to nab the other three poachers, who managed to escape, sources added.