Groundwater Depletion — Prelims Strategy

Prelims Strategy

For Prelims, focus on factual accuracy and conceptual clarity. Key areas to master include:

1
<b>Definitions:</b> Understand terms like aquifer, water table, over-exploited, semi-critical, critical.
2
<b>Key Data & Reports:</b> Memorize crucial statistics from CGWB (e.g., % over-exploited units nationally and for key states like Punjab, Haryana, Rajasthan, Tamil Nadu), NITI Aayog's Composite Water Management Index (CWMI) findings. Note the reporting years.
3
<b>Government Schemes:</b> Know the objectives, target areas, funding (Central Sector/Centrally Sponsored), and key features of schemes like Atal Bhujal Yojana (ABHY), Jal Jeevan Mission (JJM), National Water Mission (NWM), and PMKSY.
4
<b>Constitutional & Legal Provisions:</b> Be clear on Article 21, Entry 17 (State List), Entry 56 (Union List), and the main provisions of the Water (P&C of P) Act, 1974, and Environment (Protection) Act, 1986. Understand the role of CGWA/NWRA.
5
<b>Causes & Consequences:</b> Identify the primary causes (agriculture, urbanization, climate change) and their direct impacts (land subsidence, saltwater intrusion, quality degradation).
6
<b>Solutions:</b> Familiarize yourself with technological (RWH, artificial recharge, micro-irrigation) and policy solutions.
7
<b>Regional Variations:</b> Be aware of which states face severe depletion and why.

Practice MCQs extensively, paying attention to 'all of the above', 'only 1 and 2', and 'incorrect statement' type questions. Vyyuha's Quick Recall mnemonic 'GRACE Framework' can help consolidate key aspects.

Also build Paper II skills

Climate data, pollution metrics, and treaty timelines are natural practice for CSAT data interpretation and careful reading. CSAT hub.

• Data interpretation
• Correlation vs causation
• Estimation techniques