India, Jan. 26 -- At least 11 security personnel were injured after improvised explosive devices (IEDs) planted by Maoists exploded during an anti-Naxalite operation in Chhattisgarh's Bijapur district, officials said on Monday.

The blasts occurred on Sunday in the forested Karregutta Hills, a known Maoist stronghold, during a combing operation, a police official said. Ten of the injured personnel belong to the District Reserve Guard (DRG), while one is from the Commando Battalion for Resolute Action, or CoBRA, an elite unit of the Central Reserve Police Force (CRPF).

The injured CoBRA personnel has been identified as Rudresh Singh, a sub-inspector with the 210th battalion. Singh and two DRG personnel sustained injuries to their legs, wh...