An internal security report has admitted to the Left-wing extremism gaining momentum in states bordering Nepal. According to the report, Left-wing extremism has spread from 162 to 182 districts.

Sources said the security forces engaged in anti-Maoist operations in the states have been apprised of the situation.

The report had also expressed concern over Maoist-related violence escalating in Orissa and Jharkhand.

According to Intelligence Bureau reports, the Maoists' firepower has increased dramatically as the rebels have raised about 750 dedicated armed cadre and possess technology and materials to make sophisticated bombs and landmines.