The correct option is C Narmada
Gujarat is endowed with several rivers, lakes, wells, step wells, streams, ponds and
oceans. There are rivers like the Banas, Saraswati, Rupen, Meshwo, Sabarmati,
Vatrak, Mahi, Vishwamitra, Dhadhar, Narmada, Kim, Tapi, Purna, Kaveri, Kankavati,
Bhakhi, Aaji, Bhudar, Shetrunji, Machchhu, etc. Some rivers of north Gujarat like the
Banas, Saraswati and Rupen drain into the small Rann of Kutch. That is why they are
called Inland Rivers. The main rivers of Gujarat are the Narmada, Tapi, Mahi and
Sabarmati. The Narmada is the longest river of Gujarat.