India's irrigation system relies on a combination of surface water, groundwater, and rainwater.

The Indira Gandhi Canal is the largest canal system in India, stretching over 649 km in Rajasthan.

Punjab has the highest percentage of irrigated land in India, with over 90% of its cultivated area being irrigated.

Canal irrigation is the most common type of irrigation practiced in India, accounting for over 60% of the total irrigated area.

Rice is the most irrigation-dependent crop in India, requiring large amounts of water for its growth.

India faces a number of challenges related to water resources, including water scarcity, water pollution, and unequal distribution of water.

India uses a variety of water conservation techniques, including rainwater harvesting, drip irrigation, and sprinkler irrigation.

The government of India has launched a number of programs for water conservation, including the Jal Shakti Abhiyan, Namami Gange Program, and Atal Bhujal Yojana.

India has planned a number of river linking projects, including the Ken-Betwa Link Project, Par-Tapi-Narmada Link Project, and Godavari-Krishna Link Project.

The National Water Policy of India aims to ensure equitable distribution of water resources, promote water conservation and efficient use of water, and prevent water pollution.

Groundwater pollution in India is caused by a variety of sources, including industrial effluents, agricultural runoff, and domestic sewage.

Water scarcity in India is caused by a combination of factors, including increasing population, industrialization, and climate change.

The management of water resources in India faces a number of challenges, including inter-state water disputes, lack of proper infrastructure, and inefficient use of water.

The Pradhan Mantri Krishi Sinchayee Yojana (PMKSY) aims to increase the area under irrigation, improve the efficiency of irrigation, and promote water conservation.

The government of India has launched a number of initiatives to promote water conservation in agriculture, including Per Drop More Crop, More Crop Per Drop, and Save Water Save Crop.