HYDERABAD: An Assistant Sub-Inspector (ASI) of Narsingi police station, Ramaraju lost his 9 mm pistol with 10 live rounds while he was on duty at Gandamguda on Saturday night. He was returning after signing a point book maintained in a house at Gandamguda when he noticed that his pistol was missing. He immediately informed the matter to higher officials. A complaint was also lodged at Narsingi police station.