The Pasighat office of NHPC, several government offices, one police station and seven to eight police vehicles were allegedly set on fire. NEW DELHI, India — Indian protesters angry over a proposed Himalayan mega-dam, intended to counter an upstream Chinese hydropower project, have clashed with police and torched buildings,. Protests against the proposed Siang dam in Arunachal Pradesh turned violent, with government offices, police stations and homes vandalised.