Correct Option: B

Tapti river empties into the Gulf of Cambay of the Arabian Sea, forming an estuary. It is fed by monsoon rains. The mean flow rate is about 600 cu m per sec, with the maximum in the summer. The Tapti is navigable by small craft for a distance of 50 km from the mouth. In some places it is used for irrigation. The seaport of Surat is located in the estuary.