As a deadly deluge threatens to devour his village - Mahmari in Assam's Morigaon district - Samsul Alam, 65, struggles to stay afloat on a raft made of banana tree trunks lashed together. He tries hard to row to safety, but the current is too strong, and the flood waters push his raft back. Morigaon is one of the worst-hit districts in the state, where the overflowing Brahmaputra has breached three embankments.