UPSC CSE Why

Don't miss this from Arjun Sengupta today. You should know about Natanz, N-facility and also focus on the given map here. (Clip from Indian Express)

Pre note: blog.csewhy.com is where you'd find CSEWhy blog :) 🚨13th June | Friday🚨

Daily Notes🗒

1. Black Box (aka Flight Recorder) [2 FRs comprise a black box: Cockpit Voice Recorder - CVR, and Flight Data Recorder - FDR] • What? Mandatory flight recorders capturing pilot conversations, flight data & engine noises • Evolution: Dr. David Warren's 1950s design; they evolved from photographic film to solid-state memory, w/ orange coloring & durable materials for recovery 2. Why AC temp. at 20-28°C range? • Energy Impact: Every 1°C increase in AC temperature = 6% savings • Public Health & Safety: Low temperatures from excessive AC use case hypertension & respiratory issues

@CSEWhy Newspaper Recommendations📰

Indian Express 🗞 1. Why AP & Karnataka are fighting over Mangoes? (Totapuri Mango in Qs; read to note where it's grown) PS: Times are heavy across the world, take good care of thyself!

As you start waking up in 🇮🇳, here’s what is happening in Middle East: • Israel bombed parts of Iran including Tehran • Reports of targeted assassinations of political & military leadership • Israel’s Op Strength of a Lion w/ goal of eliminating nuclear ‘threats’

Bit about Neutrinos, imp. for both prelims and mains

Brief about Neutrinos, imp. for both Pre & Mains

Pre note: GS1 Mains PYQ Q paper here 🚨12th June | Thursday🚨

Daily Notes🗒

1. Eurasian Otter • Overview:semi-aquatic carnivore, keystone aquatic species, feeding mainly on fish. • Habitat & Distribution: Eurasia, N. Africa, India (Himalayas, W. Ghats, Central India) • Conservation Status: IUCN Near Threatened; Wildlife Protection Act (Schedule II) & CITES Appendix I. • Recent Developments: Sighted in Kashmir (2025, after 30 years), Kerala (2023, first record), and Pune (2024); radio-tagging in Satpura. 2. Golden Visa: Malta Scheme • European Court of Justice (ECJ) struck down CBI (citizenship-by-investment) • Malta commodified EU citizenship via CBI & RBI (Residency-by-Investment) • Chinese, Russians & West Asians made most use of it to become EU citizens 3. World Day Against Child Labour (estd Jun 12 2002 by ILO) • 2025 theme: “Progress is clear, but there’s more to do: let’s speed up efforts!” • Aligns with SDG 8.7 to end child labor by 2025 • Indian context: ~ 1 cr child labourers (2011 census) mostly in agri - acts: Child Labor Act (2016), RTE 2009 & schemes like NCLP Revise women reservation act here

@CSEWhy Newspaper Recommendations📰

Indian Express 🗞 1. A new axis of stability (GS2: Multilateralism b/w India & Europe) 2. Fuel for a Green Viksit Bharat (GS3: Nuclear Energy through Thorium & Uranium) 3. Why Census 2027 is critical for India's economic growth & development (GS2: Policy and also read for answer writing approach) 4. Drone warfare & India (GS3: Security, will do a detailed blog post on this topic soon) PS: Don't stress about result, control only what you can control: YOUR MIND.

Friends, it is a tough day but life gotta keep going! I am releasing a simple PlanB DAF where you have to apply with your Admit Card Purpose is to help you with upskilling & getting a right job Waste no time, fill it here: https://cseplanb.in/

Common Query: Resources for better prep in 2026 1. Prelims: Listed on CSEWhy blog 2. Mains: Strategy, resources & relevant details 3. PYQs: app.csewhy.com These 3 will be your guiding light along with syllabus (which is also listed in the app)

Friends, I am answering queries myself from aspirants for way forward on @CSEWhy07

Also, if you didn’t make it, get a PlanB. I’ll help, Join @CSEPlanB

Share your attempt number and struggle story of UPSC here 👇🏼

if you’re in, IMMEDIATELY leave your phone and get to studying for Mains. Least days b/w Pre to Mains this time. If you didn’t make it, take a day off. Being online won’t help much, see if you can go for a walk and take a week off before deciding next course