The Siang river at Pasighat, Arunachal Pradesh, where protests against the Siang Upper dam project turned violent. Politics Centre sends 250 Rapid Action Force troops to Arunachal after Siang dam protests turn violent Mono Scoops 3d The Centre airlifted two Rapid Action Force companies, about 250 personnel, to Pasighat in Arunachal Pradesh after protests against the proposed 11,200-MW Siang Upper dam project turned violent, with an NHPC office and a police station torched. Read Full Story