Question: Which major riverine port city on the South Bank in India publishes the Assamese daily newspaper Amar Asom?
Sentence (from "Guwahati"): Guwahati ( "Pragjyotishpura" in ancient Assam, "Gauhati" in the modern era) is the largest city of Assam and Northeastern India, a major riverine port city and one of the fastest growing cities in India, situated on the South Bank of the Brahmaputra River.
Relevant evidence: Yes