Everything about INS Kalvari

INS Kalvari • INS Kalvari is a Scorpene-class submarine described as a “deadly predator”. • It is one of six built by Mazagon Dock Limited in Mumbai as a part of Project-75 of the Indian Navy. • Kalvariis a potent Man o’ War capable of undertaking offensive operations spanning across the entire spectrum of Maritime Warfare. • Kalvari is named after a deep sea tiger … Continue reading Everything about INS Kalvari

Everything about Missiles

What is a missile? A missile is essentially a sophisticated bomb which after being released is governed by the laws of ballistics. The laws of ballistics means only the force of gravity acts upon it. It can be made more accurate and faster by attaching a propulsion system to the bomb and then it is called a rocket. If guided and controlled, a rocket can … Continue reading Everything about Missiles

Everything about Umang App (Unified Mobile Application for New-age Governance (UMANG)

Umang (Unified Mobile Application for New-age Governance (UMANG) app: • It is a unified app to serve e-governance through mobile devices. • It is developed by the Ministry of Electronics and Information Technology (MeitY) and National e-Governance Division (NeGD). • It is to offer services of the central, state, local bodies and various government agencies right on Android and iOS based mobile devices. • It … Continue reading Everything about Umang App (Unified Mobile Application for New-age Governance (UMANG)

Lymphatic Filariasis

Introduction • The national health policy had aimed at eliminating filariasis by 2015 but the deadline was extended to 2017 and now has been shifted to 2020. • But India is likely to miss the target date of stamping out elephantiasis or lymphatic filariasis. Filariasis • Filariasis, called hathipaon (elephant foot) locally, can cause limbs, usually the leg, knee downwards, to swell enormously or hydrocele … Continue reading Lymphatic Filariasis

Everything about Brahmos

Brahmos: • It is a medium-range ramjet supersonic cruise missile that can be launched from submarine, ships, aircraft or land. • It is a joint venture between the Russia’s NPO Mashinostroeyenia and India’s Defence Research and Development Organisation. • It has derived its name from the names of two rivers, the Brahmaputra of India and the Moskva of Russia. Speed: • It travels at the … Continue reading Everything about Brahmos


TRAPPIST-1: It is an ultra-cool dwarf star about 40 light years away, located in the constellation Aquarius. It is named after the telescope that discovered this system – TRAPPIST (Transiting Planets and Planetesimals Small Telescop) in Chile. The planets have sizes and masses comparable to the Earth and Venus. It is an ultra-cool star (unlike our sun). Therefore, liquid water could survive on planets very … Continue reading TRAPPIST-1:

How is atomic bomb different from hydrogen bomb?

How is atomic bomb different from hydrogen bomb? A hydrogen bomb, also called a thermonuclear bomb or an H-bomb. It is far more powerful than the relatively simple atomic weapons. It uses a second stage of reactions to magnify the force of an atomic explosion. The second stage is fusion. Fusion is mashing hydrogen atoms together in the same process that fuels the sun. When … Continue reading How is atomic bomb different from hydrogen bomb?