The correct option is C Wells and tubewells
Sources
of irrigation in India includes a network of major and minor canals from Indian
rivers, groundwater well based systems, tanks, and other rainwater harvesting
projects for agricultural activities. Irrigation in India helps improve food
security, reduce dependence on monsoons, improve agricultural productivity and create
rural job opportunities. India’s total area under irrigation is 64.7 million
hectares. Of this maximum 45% is shared by tube wells followed by Canals and
wells. So, in India wells and tubewells has the maximum area.