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Indian Forest Service

A curated guide to the Indian Forest Service — optionals, strategy, and what it takes to crack IFS. Strategy for GK, English and Optionals by IFS Toppers.

Gourav Sharma Gourav Sharma · IFS AIR 25
Before you start!
Forestry

Gourav Sharma · AIR 25, IFS 2022 & AIR 41, IFS 2020

Gourav secured AIR 25 in IFS 2022 and AIR 41 in IFS 2020 with Forestry Optional — 268 marks in 2020, highest in any optional that year, with 15 days of preparation.

Forestry

Aanchal Sharma · AIR 5, IFS 2026

Aanchal scored 124 + 119 = 243 in Forestry Optional with Mathematics as her other optional — minimal preparation time, strategy-first approach.

Forestry

Narendra Pal Singh · AIR 47, IFS 2025

Narendra scored 242 marks in Forestry Optional (P1: 129, P2: 113) with just 20-25 days of preparation, keeping it PYQ-focused with ACADS notes as the base.

Geology

Priyansha Garg · IAS AIR 31

Priyansha wrote IFS 2022 with Geology and Forestry as new optionals — 20 days for Geology, PYQ-first approach, diagrams over text.

Mathematics

Aanchal Sharma · AIR 5, IFS 2026

Strategies from toppers who chose Mathematics as an IFS optional — covering iteration planning, formula sheets, and how to bridge the CSE-to-IFS syllabus gap.

GK

Aanchal Sharma · AIR 5, IFS 2026

Strategy for the GK paper — 300 marks, 6 questions with 4 sub-parts each. Covers History, Economy, Polity, Geography, and Science.

English

Aanchal Sharma · AIR 5, IFS 2026

Strategy for the English paper — 300 marks, covering Essay, Letter, Precis, Comprehension, and Grammar (50 marks). Grammar is where toppers say you can actually score big.

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