“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

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World Health Day: A Global Movement Towards Better Health and Well-Being Introduction World Health Day is observed annually on April 7, marking the founding of

Rapid Revision Measurements Devices   Read More: Rapid Revision Cricket Books and Authors

States and Union Territories As of 2025, India has 28 states and 8 union territories. Each state has its own government and capital. Union territories are governed directly by

Father of Different Fields Names Father of Geography Eratosthenes Father of Economics Adam Smith Father of Ayurveda Charaka Father of Biology Aristotle Father of Physics

Jamaica, a vibrant island nation in the Caribbean Sea, is famous for its stunning beaches, reggae music, and rich culture. Beyond the postcards and tourist

योग का महत्व शारीरिक लाभ योग शरीर को मजबूती और लचीलापन प्रदान करता है। योग करने से रक्तचाप और शुगर को नियमित किया जा सकता

1. The mantis shrimp has the fastest punch! You may think professional boxers have lightning quick punches, but the mantis shrimp makes them all look

Hindi News Update for Wednesday, May 20, 2026 बुधवार, 20 मई 2026 के मुख्य समाचार 🔶पुतिन-जिनपिंग ने बदली ग्लोबल गेम ! अमेरिका को डॉलर पर

->राष्ट्रपति भारतीय संसद का एक अभिन्न अंग है तथा उसे निम्नलिखित विधायी शक्तियां(Legislative powers) प्राप्त है- ->राष्ट्रपति को, नई लोकसभा के गठन के बाद संसद

Ustad Amir Khan: The Legendary Voice of Hindustani Classical Music Indian classical music has been shaped by numerous legendary musicians whose artistic brilliance transformed the

Acquisition in Library Science: Meaning, Objectives, Process, Types, Methods, and Importance in Modern Libraries Introduction Every library depends on a well-planned collection to meet the

Q. Which was the first Indian sound film? A) Alam Ara B) Raja Harishchandra C) Kisan Kanya D) Kalidas Answer: A) Alam Ara Q. Who

एक किसान बहुत परेशान था। उसे अपने खेतों को सींचने के लिए पानी की जरूरत थी। इसलिए, वह कई दिनों से अपनी जमीन के आसपास

Computer Shortcut – सामान्य शॉर्टकट्स  🔹 Ctrl + C → Copy  🔹 Ctrl + V → Paste  🔹 Ctrl + X → Cut  🔹 Ctrl

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Daily Current Affairs

Daily Current Affairs, News Headlines 25.01.2026 National Updates As part of the 18th Rozgar Mela in Maharashtra, appointment letters were distributed at multiple venues. At

Daily Current Affairs, News Headlines 24.01.2026 National Updates A two-day Maritime Law Workshop for Indian Navy and Indian Coast Guard officers was conducted by the

Daily Current Affairs, News Headlines 23.01.2026 National Updates A special NIA court has sentenced a person to 10 years of rigorous imprisonment for being involved

Daily Current Affairs, News Headlines 22.01.2026 National Updates The India Meteorological Department (IMD) has forecast thunderstorms accompanied by lightning over the Andaman and Nicobar Islands

Today in History

06 मार्च के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 06 मार्च को इतिहास में घटित महत्वपूर्ण घटनाएँ : 1840 :

05 मार्च के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 05 मार्च को इतिहास में घटित महत्वपूर्ण घटनाएँ : 1666 :

04 मार्च के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 04 मार्च को इतिहास में घटित महत्वपूर्ण घटनाएँ : 1386 :

03 मार्च के इतिहास की महत्वपूर्ण घटनाएँ – TODAY IN HISTORY आज का इतिहास 03 मार्च को इतिहास में घटित महत्वपूर्ण घटनाएँ : 1845: अमेरिकी

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Amazing Facts

Bloodhounds have a very, very good sense of smell. Researchers estimate that their sense of smell is at least 1,000 times stronger than a human’s.

The colors of traffic lights — green, yellow (or amber), and red — serve specific purposes to regulate traffic flow and ensure safety on the

The notion that humans only use a small percentage of their brains is a common myth. In reality, the brain is a highly active organ,

What water does do is affect the way light bounces off of your hair. Objects have the color we see because they reflect certain wavelengths

When honey bees sting, they release pheromones that stir up nearby bees. Often, those other bees join the attack. One stinging bee can turn into hundreds or

Why Swiss cheese has holes was a mystery for many years. Then, in 1912, a U.S. Department of Agriculture chemist named William Mansfield Clark published a manuscript in which he set

Memories are mental records of past events. As such, they consist of recollections of our personal experiences. Memory begins with the senses since that’s how

Science doesn’t yet have a final answer for why moths, flies, and other insects. There are several theories that might explain why certain insects seem

Getting sleepy and eventually falling asleep after reading a few pages is a phenomenon that many, if not most, of us can relate to. So what is it about

Before we get to how erasers work, though, let’s learn a bit about what exactly is on the paper that you’re erasing. Although we call

Thousands, millions, and maybe even billions of years ago, extreme heat and pressure turned pure carbon into colorless diamond crystals 100 miles or more below

Daily Current Affairs, News Headlines 30.05.2026 National Updates Electronics and IT Minister Ashwini Vaishnaw along with Odisha Chief Minister Mohan Charan Majhi and CEO of Intel witnessed the signing of an MoU to bring substrate manufacturing technology to India. The …

MCQ on Banking Awareness MCQ on Banking Awareness Also Read: MCQ on World War I & II

MCQ on MCQ on World War I & II MCQ on MCQ on World War I & II Also Read: MCQ on Human Body Parts and Functions

MCQ on Human Body Parts and Functions MCQ on Human Body Parts and Functions Also Read: MCQ on Indian Monuments

MCQ on Indian Monuments MCQ on Indian Monuments Also Read: MCQ on Diseases and Vaccines

Vocabulary For All Competitive Exams | 29-05-2026 Injunction (noun) Meaning: an authoritative warning or order. (निषेधाज्ञा) Synonyms: order, decree, edict Sentence: They have obtained an injunction restraining the company from selling the product. Propitiate (verb) Meaning: to lessen the anger or agitation of (शांत …

Daily Current Affairs, News Headlines 29.05.2026 National Updates The Insolvency and Bankruptcy Code (IBC), which came into force in 2016, has completed 10 years of its existence. The Code has emerged not merely as a legislative reform, but as an …

 MCQ on Diseases and Vaccines  MCQ on Diseases and Vaccines Also Read: MCQ on Idioms and Phrases

 MCQ Quiz on Idioms and Phrases  MCQ Quiz on Idioms and Phrases Also Read: MCQ Quiz on Indian freedom fighters

MCQ Quiz on Indian freedom fighters MCQ Quiz on Indian freedom fighters Also Read: MCQ Quiz on Cyber Security

Vitamin Deficiency & Diseases Vitamin Deficiency & Diseases Read More: Rapid Revision Shall, Will & Must : Part-7

MCQ Quiz on Cyber Security MCQ Quiz on Cyber Security Also Read: MCQ Quiz on Social Media Awareness

MCQ Quiz on Social Media Awareness MCQ Quiz on Social Media Awareness Also Read: MCQ Quiz on SCIENTIFIC NAME OF PLANTS

MCQ Quiz on English Authors MCQ Quiz on English Authors Also Read: Rash Behari Bose

MCQ Quiz on SCIENTIFIC NAME OF PLANTS MCQ Quiz on SCIENTIFIC NAME OF PLANTS Also Read: Rash Behari Bose

Vocabulary For All Competitive Exams | 28-05-2026 Snugly (adv.) Meaning: in a comfortable, warm, and cozy or well-protected manner. (आराम से) Synonyms: comfortable, comfy, cozy Antonyms: uncomfortable, troubled Sentence: I left the children tucked up snugly in bed. Delinquency (noun) Meaning: minor crime, especially that …

Daily Current Affairs, News Headlines 28.05.2026 National Updates Defence Minister Rajnath Singh chaired the 6th meeting of Informal Group of Ministers in New Delhi to review the availability of essential commodities and the resilience of supply chains, keeping the West …

Kathak Dance Form: History, Culture, Techniques, Gharanas, Costumes, Music, and Modern Relevance Introduction to Kathak Dance Form Indian Classical Dance is one of the richest artistic traditions in the world, and among its many classical styles, the Kathak dance form …

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