The officials said around 4,537 arms and 6.32 lakh bullets were missing mainly from Manipur Police Training Centre (MTPC) at Pangei in East Imphal, 7th India Reserve battalion and 8th Manipur Rifles, both located at Khabeisoi in Imphal city. According to them, out of the stolen weapons, 2,900 fell in the lethal category whereas others comprised teargas and mini flare guns.