Original sentence: Since the uprising of the Naxalites in 1967, 6,000 people have been killed in fighting between the Naxalites and counter-insurgency operations by the Indian Army, and its paramilitary groups such as the "Salwa Judum
Edited sentence: Since the uprising of the Naxalites in 1967, 6,000 people have been killed in fighting between the Naxalites and counter-insurgency operations by the Indian Army, and its paramilitary groups such as the Salwa Judum