Question: guwahati is situated on the bank of which river
Answer: Guwahati ( / ɡʊwəˈhɑːti / ( listen ) 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 .