Page-4 of Current General Studies [Prelims]
Important Concepts in Reusable Launch Vehicles
Reusable launch vehicles are designed for repeated missions rather than single use. They are important because they can reduce launch costs, shorten turnaround time and support more frequent...
Important Types of Power Plants in India
India’s power system is built on a mixed basket of conventional, hydel, nuclear and renewable sources. For Prelims, it is important to know the main types of power...
Key Indian Mountaineering Expeditions and Records
India’s mountaineering story is closely tied to the Himalayas, high-altitude training, and record-setting expeditions. From early ascents on Everest and Nanda Devi to institutional support and armed forces...
Important Indian Women Sportspersons
Indian women sportspersons have transformed the country’s sporting profile through record-breaking performances, Olympic medals, and leadership across individual and team events. From athletics and weightlifting to boxing, badminton,...
Indian Railways Train Numbering System
Indian Railways uses a five-digit train numbering system to identify services by category, direction and operating pattern. Introduced to simplify administration and passenger information, it is especially useful...
Festival-Linked Public Welfare Schemes in India
Across India, festivals often become a window for public welfare, with state governments using the occasion to deliver cash support, food kits, special allowances and travel assistance. These...
Cryogenic and Low-Temperature Technologies
Cryogenic and low-temperature technologies deal with materials and processes at extremely cold temperatures, where ordinary physical behavior changes sharply. These systems are important in space, defence, medicine, energy,...
Important Asian Games Facts and Records
The Asian Games, or Asiad, is Asia’s premier multi-sport event and the second-largest multi-sport competition in the world after the Olympics. Held every four years, it combines sporting...
Major Human Brain Cell Types and Their Roles
The human brain works through a highly organized mix of neurons and support cells. Neurons carry signals, while glial and other specialized cells maintain structure, immunity, insulation, and...
Major Indian Naval Warships and Frigates
The Indian Navy’s surface and undersea fleet is built around aircraft carriers, destroyers, frigates and submarines. Together, these warships support sea control, deterrence, maritime surveillance and power projection...
Types of Electrolysers and Hydrogen Production Methods
Hydrogen is emerging as an important clean energy carrier for hard-to-abate sectors such as refining, fertilisers, steel and transport. Since it does not occur freely in nature in...
