“The Knowledge Library”

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

Why February Has Only 28 Days?

Why February Has Only 28 Days? February stands apart from the other months on the calendar. While most months have 30 or 31 days, February usually has 28 and occasionally 29. This irregularity often raises a simple but fascinating question: Why February has only 28 days? The answer lies in ancient astronomy, early Roman politics, Read more…

Raman Effect: Principles, Discovery, and Modern Applications in Science

Raman Effect: Principles, Discovery, and Modern Applications in Science The Raman Effect is one of the most important phenomena in modern physics and chemistry, offering a powerful way to study the molecular structure of materials. It explains how light interacts with matter at a microscopic level and how scattered light can carry information about molecular Read more…

MCQ Quiz on Chandra Shekhar Azad

MCQ Quiz on Chandra Shekhar Azad   Also Read: MCQ Quiz on National Science Day

MCQ Quiz on National Science Day

MCQ Quiz on National Science Day   Also Read: National Science Day

National Science Day: Celebrating Innovation, Discovery, and Scientific Temper in India

National Science Day: Celebrating Innovation, Discovery, and Scientific Temper in India Science shapes modern civilization in visible and invisible ways. From communication satellites orbiting Earth to medical technologies that save lives, scientific research influences daily life at every level. In India, one important occasion dedicated to recognizing scientific achievement and promoting awareness is National Science Read more…

Chandra Chandra Shekhar Azad The Fearless Revolutionary of India’s Freedom Struggle

Chandra Shekhar Ajad: The Fearless Revolutionary of India’s Freedom Struggle Early Life and Background of Chandra Shekhar Azad Chandra Shekhar Azad was one of the most dynamic and uncompromising revolutionaries of the Indian independence movement. Born on July 23, 1906, in the village of Bhavra in present-day Madhya Pradesh, he grew up in a modest Read more…

Vocabulary For All Competitive Exams | 28.02.2026

Vocabulary For All Competitive Exams | 28-02-2026 Having a good command of Vocabulary will help you to ace many competitive exams. So here We bring you “Vocabulary For All Competitive Exams” on a daily basis to boost Vocabulary Power and helps you in your preparation for exams like Banking, Railway, Insurance, SSC, and other Government exams. Berserk Read more…

Daily Current Affairs, News Headlines 28.02.2026

Daily Current Affairs, News Headlines 28.02.2026 National Updates In a major boost to financial inclusion in remote Manipur, the Chairman of the State Bank of India (SBI), Challa Sreenivasulu Setty, virtually inaugurated the SBI Parbung Branch from the bank’s Local Head Office in Guwahati. Vice-President of India, C P Radhakrishnan, will be on a two-day Read more…

How Can We Protect the Environment?

How Can We Protect the Environment? 15 Powerful Actions That Make a Difference If you’ve ever asked, how can we protect the environment, you’re thinking about one of the most important challenges of our time. Climate change, pollution, deforestation, biodiversity loss, and plastic waste are affecting ecosystems across the globe. The good news? Environmental protection Read more…

World NGO Day: History, Significance, and Global Impact

World NGO Day: History, Significance, and Global Impact World NGO Day is an international observance dedicated to recognizing, celebrating, and supporting the work of non-governmental organizations across the globe. Marked annually on February 27, this day highlights the vital contributions NGOs make to humanitarian relief, social development, environmental protection, human rights advocacy, education, healthcare, and Read more…

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