
Singhal Yash Chandraprakash
AIR 37
UPSC IFS 2023
Secured AIR 37 in IFS. Sherlocking helped me streamline my preparation and focus on what truly matters. The strategy was clear, practical and effective.
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Both compulsory papers (600 marks) in three weeks of evenings.
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600
Marks covered
28 hrs
Of video
2
Compulsory papers
13 yrs
Of PYQs mapped
Combined English + GK module for the Indian Forest Service exam. Comprehensive coverage including PYQ discussion (2013–2025), letter/report/precis writing basics, grammar, idioms, and syllabus-based GK coverage.
Built and taught by Neil Sir: HCS 2021, Rank 93.
The method: Parse → Map → Write.
Parse
Break the syllabus into the dimensions the examiner can actually ask about.
Map
Map every past question to what it demands.
Write
Write in formats you have already rehearsed cold.
Three weeks of evenings, about 28 hours in total. Compress or stretch it as you like: the order is what matters, because English formats convert fastest.
| Week | Focus | Covers | Hours |
|---|---|---|---|
| Week 1 | General English | End to end | 10 hrs |
| Week 2 | GK Syllabus Parsing | All 8 subjects | 6 hrs |
| Week 3 | GK PYQ Mapping | 6 subjects + model answers + S&T maps | 12 hrs |
Both compulsory IFoS Mains papers (General English (300) and General Knowledge (300)) in one package: 35 videos, ~28 hours, 41 documents, PYQs mapped across 13 years, and the 156-page Science & Technology handouts. Everything is ready on day one.
They’re 600 marks, more than 40% of the written total, and they carry into the final merit list in full. In 2025, 19 recommended candidates finished within 10 marks of the cut-off. This is where the field scatters, because almost everyone assumes these papers take care of themselves.
About 28 hours: roughly three weeks of evenings. Week 1 English, Week 2 GK Syllabus Parsing, Week 3 PYQ Mapping plus model answers and S&T maps. You can compress or stretch it to your own pace.
Yes. Do the English module first (formats convert fastest), then GK. These are the only IFoS Mains papers you can finish in a fortnight of evenings: your optionals can’t be.
Especially for you. Finish both compulsory papers now while your calendar is quiet; in 2027 the Aug–Nov stretch belongs entirely to your 800 marks of optionals. The syllabus and marks haven’t changed since 2022, so the work holds.
No. Every lesson is ready for instant access and self-paced: no waiting for a batch, no live class to be free for. Validity is 1 year.
Neil Sir, HCS 2021, Rank 93. The method taught here is the one he cleared with.
Buy Combined if you need both papers (most candidates do): it’s the cheaper route to the full 600 marks. Buy a single module only if you’ve genuinely already handled the other paper.

Singhal Yash Chandraprakash
AIR 37
UPSC IFS 2023
Secured AIR 37 in IFS. Sherlocking helped me streamline my preparation and focus on what truly matters. The strategy was clear, practical and effective.

Deepak Vishwakarma
AIR 71
UPSC IFS 2024
I secured All India Rank 71 in the Indian Forest Service Examination 2024. Your insights and the time you took to mentor aspirants made a significant difference in my journey.
Gaurav Pratap Singh
AIR 317
UPSC CSE 2025
Big thanks: I cleared IFoS this year after failing last year’s pre. It was down to Pre Sherlocking.
I cleared the IFoS cutoff in 2024 prelims, in my very first attempt: I scored 100.35, exactly hitting the IFoS cutoff, only because of you.
I was able to clear CSE 2024 and Forest prelims. Analysis of PYQs from the Sherlocking module helped me realise what to read, what to skip, and at what depth.