PrepCatPrepCat
📚

PrepCat's Library

Choose a section to explore content, or search across all articles below.

📰

Static GS

Notes on GS topics which are static and difficult to find in Books.

View Section →
GS Paper 3 — Agriculture | Agricultural Technology6/15/2026
Zero Budget Natural Farming (ZBNF): Principles and the Andhra Pradesh Model
Open

Concept and Rationale ZBNF emerged as a response to the rising cost of cultivation, farmer indebtedness, and ecological degradation associat

GS Paper 3 — Science & Technology | Defence Technology6/15/2026
DRDO's Integrated Guided Missile Development Programme (IGMDP): Genesis and Legacy
Open

Historical Context and Objectives In the early 1980s, India relied heavily on imported missile systems and faced increasing restrictions on

GS Paper 3 — Science & Technology | Space Technology6/15/2026
In-Space Privatization: India's New Space Policy and the IN-SPACe Ecosystem
Open

Background to the Reforms In May 2020, the Government of India announced sweeping reforms to open the space sector to private participation,

📰

Dynamic GS Notes

Notes on Current Affairs and Dynamic GS topics.

View Section →
Current Affairs7/26/2026
Current Affairs — 26 July 2026
Open

India observed the 27th Kargil Vijay Diwas on 26 July, commemorating the culmination of Operation Vijay in 1999, with tributes paid at the K

Current Affairs7/25/2026
Current Affairs — 25 July 2026
Open

DRDO's Gas Turbine Research Establishment delivered India's first fully indigenous Expendable Turbo Jet Engine of 350 kg thrust class, meant

Current Affairs7/24/2026
Current Affairs — 24 July 2026
Open

NATO's Ankara Summit 2026 saw all 32 member nations commit to raising defence spending to 5% of GDP by 2035, a move that is tightening the g

🏛️

Smart Study Toolkit

Smart and Creative Notes for Info-rich content.

View Section →

The Reserve Bank of India (RBI) uses different monetary policy rates to control inflation, liquidity, borrowing, and economic growth in Indi

General Science5/9/2026
National Parks of India
Open

Hemis National Park - Jammu and Kashmir South Button Island National Park - Andaman and Nicobar Islands Khangchendzonga National Park - Sikk

Polity5/5/2026
Viceroys of India
Open

Here is the chronological list of the Viceroys of India, starting from the Government of India Act 1858 (which transferred power from the Ea

💡

Smart Revision Notes

Revise fast through specially crafted revision friendly notes.

View Section →
UPSC Revision Notes | GS Paper 3 — Environment & Ecology6/29/2026
Protected Areas in India: National Parks, Wildlife Sanctuaries & Biosphere Reserves
Open

Core Concept India's protected area (PA) network is primarily governed by the Wildlife (Protection) Act (WPA), 1972. The Act creates a tiere

UPSC Revision Notes | GS Paper 2 — Polity & Governance6/23/2026
Basic Structure Doctrine: Parliament's Unbreachable Constitutional Limits
Open

Core Concept The Basic Structure Doctrine holds that the Constitution of India has a core identity which Parliament cannot destroy, even thr

UPSC Revision Notes | GS Paper 1 — Art & Culture6/22/2026
Temple Architecture in India: Nagara, Dravidian and Vesara Styles Decoded
Open

Core Concept Indian temple architecture is codified in ancient texts called Shilpa Shastras. Key canonical texts include the Manasara and Ma