Optimize IAS
  • Home
  • About Us
  • Courses
    • Prelims Test Series
      • LAQSHYA 2026 Prelims Mentorship
    • Mains Mentorship
      • Arjuna 2026 Mains Mentorship
  • Portal Login
  • Home
  • About Us
  • Courses
    • Prelims Test Series
      • LAQSHYA 2026 Prelims Mentorship
    • Mains Mentorship
      • Arjuna 2026 Mains Mentorship
  • Portal Login

KALVARI-CLASS SUBMARINES

  • November 14, 2020
  • Posted by: OptimizeIAS Team
  • Category: DPN Topics
No Comments

Subject: Defence

Context: Indian Navy’s fifth Kalvari-class Diesel Electric attack submarine INS Vagir was launched at Mazgaon Dock in Mumbai.

Concept:

  • Indian Naval Ship (INS) Vagir is the fifth among the six Kalvari-class submarines being constructed by the public sector shipbuilder Mazagon Dock Ltd (MDL) in Mumbai.
  • The other vessels in the class are INS Kalvari, INS Khanderi, INS Karanj, INS Vela and INS Vagsheer.
  • Status: Of these Kalvari and Khanderi have been commissioned in 2017 and 2019, Vela and Karanj and undergoing sea trials, Vagir has now been launched and Vagsheer is under construction.

Technical details

  • The design of Kalvari class of submarines is based on Scorpenesubmarines designed and developed by French defence major Naval Group formerly DCNS and Spanish state owned entity Navantia.
  • This class of submarines have Diesel Electric transmission systems and these are primarily attack submarines or ‘hunter-killer’ type which means they are designed to target and sink adversary naval vessels.
  • These submarines are around 220 feet long and have a height of 40 feet. It can reach the highest speeds of 11 knots when surfaced and 20 knots when submerged.
  • The modern variants of the Scorpene class of submarines have what is called the Air Independent Propulsion (AIP) which enables non-nuclear submarines to operate for a long time without access to surface oxygen.
Defence KALVARI-CLASS SUBMARINES

Recent Posts

  • Daily Prelims Notes 23 March 2025 March 23, 2025
  • Challenges in Uploading Voting Data March 23, 2025
  • Fertilizers Committee Warns Against Under-Funding of Nutrient Subsidy Schemes March 23, 2025
  • Tavasya: The Fourth Krivak-Class Stealth Frigate Launched March 23, 2025
  • Indo-French Naval Exercise Varuna 2024 March 23, 2025
  • No Mismatch Between Circulating Influenza Strains and Vaccine Strains March 23, 2025
  • South Cascade Glacier March 22, 2025
  • Made-in-India Web Browser March 22, 2025
  • Charting a route for IORA under India’s chairship March 22, 2025
  • Mar-a-Lago Accord and dollar devaluation March 22, 2025

About

If IAS is your destination, begin your journey with Optimize IAS.

Hi There, I am Santosh I have the unique distinction of clearing all 6 UPSC CSE Prelims with huge margins.

I mastered the art of clearing UPSC CSE Prelims and in the process devised an unbeatable strategy to ace Prelims which many students struggle to do.

Contact us

moc.saiezimitpo@tcatnoc

For More Details

Work with Us

Connect With Me

Course Portal
Search