Book review: Rup Kumar Barman, The Raidak: A Transnational River from Bhutan to Bangladesh Through India Posted on 13 November 2022 by Moniruna Debnath Contemporary Voice of Dalit, Ahead of Print. Rup Kumar Barman, The Raidak: A Transnational River from Bhutan to Bangladesh Through India. Mittal Publications, 2021, 126 pp., ₹600 (Hard Bound).