Rainfall is the primary source of groundwater in India, contributing to the recharge of aquifers.

Deccan Traps is a volcanic region and not an aquifer.

Uttar Pradesh has the largest groundwater potential in India due to its extensive alluvial plains.

Over-extraction of groundwater is the main challenge in India, leading to the depletion of aquifers and land subsidence.

All of the mentioned sources contribute to groundwater pollution in India.

The primary objective of CGWA is to regulate groundwater extraction and prevent over-exploitation.

Khadin, Johad, and Talab are all traditional water harvesting techniques used in India to recharge groundwater.

Atal Bhujal Yojana is a government scheme launched in India to promote groundwater recharge and conservation.

Sundarbans is a major groundwater-dependent ecosystem in India.

The estimated annual groundwater recharge in India is 433 billion cubic meters.

Fluoride, arsenic, and nitrate contamination are major groundwater quality issues in India.

The aquifer that underlies the Ganga-Brahmaputra Alluvial Plain is called the Ganga-Brahmaputra Alluvial Aquifer.

Delhi, Mumbai, Chennai, and Kolkata are all major groundwater-dependent cities in India.

The aquifer that underlies the Deccan Traps is called the Deccan Traps Aquifer.

Punjab, Haryana, and Uttar Pradesh are all major groundwater-dependent agricultural regions in India.