Nalbari, Sept. 3 -- Assamese worker Pankaj Barman recalled the terrifying moments when a massive surge of floodwater swept through the area of Nepal's Upper Trishuli Hydroelectric Project, forcing him and several other workers to flee to higher ground, where they remained stranded for three days with little more than biscuits and water.

Barman, from Nalbari district, was working inside the powerhouse and tunnel when he heard a deafening sound that initially appeared like a huge explosion.

"I was working at the Upper Trishuli Hydroelectric Project. While working... I had gone on duty, and inside the powerhouse and tunnel, I was carrying out my work. While working, a loud sound came. We wondered what kind of sound it was-it sounded like a...