Monoclonal Antibodies appeared in 2025 Prelims.
If you see the poll only 40% of students said they studied this pyq topics and many students still have not read pyq content.

LPG vs PNG (Concise)
Composition:
LPG → Propane + Butane
PNG → Methane
Supply:
LPG → Cylinders (refill needed)
PNG → Pipeline (continuous supply)
Safety:
LPG → Heavier than air (accumulates → higher risk)
PNG → Lighter than air (disperses quickly → safer)
Cost:
LPG → Relatively expensive
PNG → Cheaper over time
Environment:
LPG → More emissions
PNG → Cleaner fuel (less CO₂, fewer pollutants)
Usage:
LPG → Widely used, especially rural areas
PNG → Urban households, industries

https://www.instagram.com/reel/DV1H1ckAqem/?igsh=Nzg4YzN1YzlxYW4w

Watch this Reel
It will remind you of what I have been saying since the beginning of my channel.

Other exams prepare you for a job. UPSC prepares you for life.

That's the difference.

PWR (Pressurized Water Reactor)

A PWR is a reactor where ordinary water is used both as coolant and moderator, and it is kept under very high pressure so that it does not boil.
Example: Reactors used by Nuclear Power Corporation of India Limited in several projects are based on this concept.

Key points:
1)Uses enriched uranium
2) Water does not boil inside the reactor
3) Heat is transferred to another water system to produce steam
4) Most common reactor type in the world

PHWR (Pressurized Heavy Water Reactor)

A PHWR uses heavy water (D₂O) instead of normal water.
Example: Many reactors at Kakrapar Atomic Power Station and Rajasthan Atomic Power Station are PHWR type.

Key points:
1) Uses natural uranium (no enrichment needed)
2) Heavy water is used as moderator and coolant
3) Widely used in India

Value of Rupee (₹)

Determined by demand and supply in the foreign exchange market

System: Managed float under Reserve Bank of India (RBI intervenes when needed)

Key Drivers

1. Trade Balance
More exports → demand for ₹ ↑ → appreciation
More imports → demand for $ ↑ → ₹ depreciates

2. Capital Flows (FII/FDI)
Inflows → ₹ strengthens
Outflows → ₹ weakens

3. Inflation
Higher inflation in India → ₹ loses value

4. Interest Rates
Higher rates → attract foreign investors → ₹ appreciates

5. RBI Intervention
Buys/sells dollars to stabilize excessive volatility

“Rupee value is market-determined by forex demand–supply, with RBI managing volatility under a controlled float system.”

The aim of a good mentor or teacher should be to help students find their own direction and stand on their own feet, not to make them dependent forever.

Newspaper

When it comes to newspaper reading for UPSC, even sensational news may not be useful, while a small incident can be highly relevant and can be quoted in Mains Answers.

So you have to Understand the UPSC exam to read the newspaper in an efficient way.

Those for Preparing For Prelims may do these things.

1) Focus on studying Basic concepts of all subjects
2) Finish Pyq based content
3) Balance Gs and CSAT
4) Don't read different sources
5) Selective Reading of Current affairs ( Based on previous years questions)
6) Balance 6 subjects in Gs( Don't over read any subject unnecessarily)
7) Focus on your weak subjects first
8) Attempt one or two Mock tests for each subject and revise Test solutions
9) Finally keep 3 Revisions of whatever you read previously

In the final exam Many questions can be solved with Common sense, Presence of Mind and Applied And observation knowledge.
So don't fear any questions.

Prelims 2026.

Another important topic every Aspirant must read is Intellectual property rights.
Which includes, copyrights, trademarks, patents, Trademarks, GI tags
Trips, etc.

Census
• Definition:
A decennial (every 10 years) enumeration of population covering demographic, social, and economic data.
• Conducted by:
Office of the Registrar General & Census Commissioner, India under the Ministry of Home Affairs
• Legal basis:
Census Act, 1948
• First Census in India:
1872 (non-synchronous)
First complete census: 1881
• Latest Census:
2011
(2021 Census delayed/postponed)
• Key Features:
• Covers entire population
• Conducted in two phases:
1. House Listing & Housing Census
2. Population Enumeration
• Data is confidential (not used for legal purposes)
• Importance (UPSC):
• Basis for policy planning & welfare schemes
• Helps in delimitation, resource allocation
• Key for socio-economic indicators
• Extra point:
Census is a Union subject (Entry 69, Union List)

Stay in reality.

You can’t predict when you will clear UPSC. Some of my friends cracked it in their first attempt, some others in 2–3 attempts. I cleared it in my 6th attempt. There are also many who reach Mains or even the interview but don’t make it.

So, if you want to prepare for UPSC, don’t follow anyone blindly. Keep your own timeline. Decide how many attempts you want to give and how many years you are willing to dedicate.
That decision should be yours.

However, as a ranker and mentor, I suggest you spend at least 2–3 years in preparation and give at least 2–3 serious attempts.

Things you should understand about UPSC

When some of my friends were appearing for interviews, I was still struggling to clear Prelims. Yet, I went on to secure AIR 587 in CSE 2023 before many of them could clear the exam.

At the same time, several candidates who couldn’t clear Prelims in 2023 later became Top 10 rankers in 2024 and 2025.
This shows how unpredictable this exam is.
So, have patience and focus on your preparation sincerely, without expecting immediate results.

Change is the Only Constant.

Food adulteration could become the next major human-made calamity if left unchecked. Every citizen must play a vital role in eliminating it.

No more Confusions about your scores after Prelims.
You can check your score through official Provisional keys from now.

Also read about Measles, Encephalitis, Trachoma and other diseases which were in news.

Don’t panic.

Be cautious about what you see on social media and mainstream media regarding war, gas shortages, lockdowns, and similar issues. Many people exploit such situations by creating sensational news and reels just to attract viewers.

Yes, difficulties are there, but if we stay strong and calm, we can overcome them together.

Try to read about Digital currency and how it works and how it is different from UPI payments app.