Protests against the proposed 11,200 MW Siang Upper Multipurpose Project turned violent in Pasighat on October 23.
An NHPC office, a police station and several government offices were set on fire or damaged, according to officials.
Police fired tear gas, and police personnel and protesters were injured.
No arrests had been made as of Saturday noon, according to Outlook India.
Chief Minister Pema Khandu urged protesters to join talks.
Protests against the proposed 11,200 MW Siang Upper Multipurpose Project turned violent in Pasighat, East Siang district, on Friday, October 23, 2026, according to Outlook India, Sentinel Assam, OrissaPOST and India Today NE.
A 12-hour bandh was observed across Siang, Upper Siang and East Siang districts, according to India Today NE.
The bandh ran from 5 am to 5 pm, and Deputy Commissioner Jayanti Pertin said it stayed peaceful in Pasighat until the evening, according to Outlook India.
The bandh was called by Adi Bane Kebang United, the SUMP Affected Area Youth Association, the Siang Indigenous Farmers’ Forum Youth Wing and the Adi Galo Welfare Society, according to Outlook India.
Early on Friday, police reportedly fired tear gas at protesters near Geku, and four women opposing the project were injured, according to Outlook India.
After 5 pm, protesters in Pasighat blocked the highway and refused to disperse, and a magistrate and security forces tried to persuade them for two hours before tear gas was fired, according to the same report.
Protesters then allegedly pelted stones, injuring some police personnel and officials, and set fire to property, according to Outlook India.
The Pasighat office of the National Hydroelectric Power Corporation, the Pasighat police station and several government offices were set on fire or damaged, according to the reports.
Seven to eight police vehicles were set on fire or damaged, and the Deputy Commissioner specified that seven were burnt, according to Outlook India.
Siang river banks at Pasighat (file image), Wikimedia Commons, CC BY-SA 3.0
