Rainfall is the primary source of water in India, contributing to about 80% of the total water resources.

The Ganges-Brahmaputra-Meghna river system is the largest in India, covering an area of about 1.7 million square kilometers.

The Indus River is the longest river in India, stretching over a distance of about 3,180 kilometers.

Uttar Pradesh has the largest number of rivers in India, with over 100 rivers flowing through the state.

Wular Lake is the largest lake in India, located in the state of Jammu and Kashmir.

Hirakud Dam is the largest reservoir in India, located in the state of Odisha.

The Ganga Basin Aquifer is the largest groundwater aquifer in India, covering an area of about 1.2 million square kilometers.

The Indira Gandhi Canal is the largest canal system in India, stretching over a distance of about 650 kilometers.

The Bhakra Nangal Project is the largest multipurpose river valley project in India, located in the state of Punjab.

The Tehri Dam Hydroelectric Power Plant is the largest hydroelectric power plant in India, located in the state of Uttarakhand.

The Singrauli Super Thermal Power Plant is the largest thermal power plant in India, located in the state of Madhya Pradesh.

The Kudankulam Nuclear Power Plant is the largest nuclear power plant in India, located in the state of Tamil Nadu.

The Bhadla Solar Park is the largest solar power plant in India, located in the state of Rajasthan.

The Muppandal Wind Farm is the largest wind power plant in India, located in the state of Tamil Nadu.