Which river is called the 'Ganga of Gujarat'?

Mahatma Gandhi's Sabarmati Ashram is on its banks. Option A (“Mahi”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Option B (“Tapi (Tapti)”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Option D (“Narmada”) is incorrect because it does not match the river basin, lake type, location, tributary relationship, project or hydrological feature specified in the question. Therefore the correct option, index and explanation consistently identify Sabarmati. The Sabarmati River is often referred to as the 'Ganga of Gujarat'. It is the most important river of Gujarat, flowing through the capital Gandhinagar and the largest city Ahmedabad. The river has immense cultural and historical significance - Mahatma Gandhi's Sabarmati Ashram is on its banks.