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UPSC CSE Prelims 2021 Answer Key (General Studies CSE and IFoS)

UPSC Civil Services Exam (CSE) and Indian Forest Services (IFoS) prelims was conducted on 10th October 2021. Here is the unofficial answer key of the General Studies compiled by Planet Geology: Please note that this is an unofficial answer key. It has been meticulously prepared by experts in the field. However, there is a chance that for some questions, the official answers may vary slightly from those provided in the unofficial answer key.

What’s in the course?

Detailed videos covering the concept, due diligence, valuations, where to find sites, and much more

Includes 12 real-life website walkthroughs covering due diligence and growth teardowns

Why do I need it?

Are you spending time piecing together how to do a website flip successfully?

With this, you will get a deep dive into the concepts, processes, and mindset to be a website flipper

How do I get it?

This is a video-based course with 6+ hours of recordings

Get access to the video course for one-time payment: Full access

What’s Covered In The Course?


This course is 14+ years of experience boiled down into actionable and organized videos. No fluff. Actionable content guaranteed.
Coverage of all Important Topics as per syllabus through PYQ discussion
Live lectures and recording of live lectures will be provided to the students
Doubts clearing classes
Practice questions

Get access now

6 Reasons To Get The Course Right Now

Lock in the price while it lasts. Lifetime access.


Instant access to 6+hours of videos

You could spend countless hours learning about website flipping from non-expert sources, or you can access this actionable and organized course today.

Real Due Diligence Reviews and Teardowns

Get exclusive access to live reviews of websites for sale. We perform due diligence, growth, and valuation reviews.

Made specifically for content websites

Every course lesson is fine-tuned to help you learn how to buy, grow, and sell content websites.

For Beginners and Experts

This course will help beginners understand the A to Z of website flipping. For experts, it provides a framework for systematic website flipping. It’s for everyone.

Free updates on newly added lessons

Stay up-to-date with new lessons, case studies, and teardowns that get added.

100% money-back guarantee

Not satisfied? We will refund your purchase in full. No questions asked.

About The Instructor


Lawrence is a Geology graduate from IIT Roorkee. He has several years of teaching experience in Geology and General Studies.

He has previously worked for Shell and ONGC as a geologist and at The University of Texas at Austin as a research assistant. He has also worked in Calgary, Canada as a Machine Learning Developer.

Lawrence secured All India Rank 1 in GATE Geology exam 2017. He has experience of performing exceptionally in many competitive exams such as IIT-JEE, NEET, AFMC, GMAT (780/800) and GRE (330/340). He has also published research papers in International Journals and Conference Proceedings.

Mayank is a Geology graduate from IIT Roorkee. He has several years of teaching experience in Geology and General Studies.

He has worked as a Geologist in the mining sector. He has scored over 130 marks in UPSC Prelims multiple times. He has also appeared in IFoS interviews thrice.

Having scored in excess of 60% marks in IFoS Geology optional multiple times, Mayank sir understands what it takes to ace the optional exam.

In the Geology & Geophysics GATE exam, he has secured an All India Rank of 90.

Choose a Plan that Works for You


Crash Course by Planet Geology Planet Geology Brings to you a tailor-made course for the GSI preparation for the CGGI exam 2024. This is a video-based course with Practice questions COURSE FACULTY Lawrence Sir (IMT IIT Roorkee; GATE Rank 1, Work Experience in Shell & ONGC) Mayank Sir (IMT IIT Roorkee).

Course + Due Diligence PDFs

Includes video course and due diligence PDF reports (20 pages each) of real sites for sale.

  • Learn to flip websites for 6-figures
  • 6+ hours of lessons
  • All bonus videos
  • Downloadable templates
  • Access to Website Flip Club Facebook community
  • Lifetime updates

Guaranteed to give value or 100% money back

$790 $690, one time

Get Double Bundle

Course + Due Diligence PDFs

Includes video course and due diligence PDF reports (20 pages each) of real sites for sale.

  • Learn to flip websites for 6-figures
  • 6+ hours of lessons
  • All bonus videos
  • Downloadable templates
  • Access to Website Flip Club Facebook community
  • Lifetime updates

Guaranteed to give value or 100% money back

$790 $690, one time

Get Double Bundle

Course + Due Diligence PDFs

Includes video course and due diligence PDF reports (20 pages each) of real sites for sale.

  • Learn to flip websites for 6-figures
  • 6+ hours of lessons
  • All bonus videos
  • Downloadable templates
  • Access to Website Flip Club Facebook community
  • Lifetime updates

Guaranteed to give value or 100% money back

$790 $690, one time

Get Double Bundle

Get In Touch With Us


Please contact Mayank sir on telegram (883 987 4544) after paying the course fee (Rs 6,000).

Call on: +91 883987454

Email at:  support@planet-geology.com

Frequently Asked Questions

The course will be delivered 100% online. The course will be a mix of pre-recorded lessons, live lessons and doubt clearing sessions.

Yes, the course includes access to the test series. The tests will be online and conducted using GATE software.

The test series includes a total of 18 tests.

The recorded lectures will be available until GSI Pre 2024.

No, the GSI mains test series is not included with the course.

PYQs are a key component of the course.

No, general studies is not a part of this course.

The Civil Services Examination (CSE) is a nationwide competitive examination in India conducted by the Union Public Service Commission for recruitment to higher Civil Services of the Government of India, including the Indian Administrative Service, Indian Foreign Service, and Indian Police Service. Also simply referred to as the UPSC examination, it is conducted in three phases – a preliminary examination consisting of two objective-type papers (General Studies Paper I and General Studies Paper II also popularly known as Civil Service Aptitude Test or CSAT), and a main examination consisting of nine papers of conventional (essay) type, in which two papers are qualifying and only marks of seven are counted followed by a personality test (interview).

The prelims for the CSE and IFoS is the same. However, the cut-off for both these exams is different. IFoS cut-off is usually higher than the CSE cut-off.

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