Question

Which of the following is India’s first indigenously developed powered submarine?
A. INS Vikrant
B. INS Trikand
C. INS Arihant
D. INS Sindhurakshak

Answer 1

Hint:It was dispatched on 26 July 2009, the commemoration of Vijay Diwas (Kargil War Victory Day) by previous Prime Minister Dr. Manmohan Singh's wife Gursharan Kaur. It gets its name from the two words – one meaning enemy and the other meaning significance wreck.
-It is also a popular title in Jainism which means “a conqueror” or “a victor”.

Complete answer:
An atomic submarine is a submarine fueled by an atomic reactor. The presentation points of interest of atomic submarines over "traditional" (normally diesel-electric) submarines are extensive.
-Atomic drive, being totally independent of air, liberates the submarine from the need to surface regularly, as is fundamental for traditional submarines. The enormous measure of intensity produced by an atomic reactor permits atomic submarines to work rapidly for significant stretches of time.
Let us review the options and discuss the answer
Option A. INS Vikrant - it is the first indigenous aircraft carrier to be built in India. It is built by Cochin Shipyard Limited. It is an incorrect option.
Option B. INS Trikand - it is a part of the Talwar class of guided missiles. It was built by Russia and was launched on May 27, 2011. It is an incorrect option.
Option C. INS Arihant is India's first indigenous atomic submarine. The Arihant is furnished with four K-4 submarines dispatched ballistic rockets with a scope of 3,500 km. It can likewise be furnished with 12 K-15 rockets with a scope of 750 km. Russia has given a broad plan to help with the improvement of the INS Arihant. It is the correct option.
Option D. INS Sindhurakshak - it was a diesel-electric submarine made by Russia. It was a part of the 10-kilo class submarines. It is an incorrect option.

Additional Information
-The acceptance of INS Arihant marks the fulfillment of India's atomic triad. An atomic group of three alludes to the atomic weapons conveyance by means of land, air, and ocean for example land-based intercontinental ballistic rockets (ICBMs), key planes, and submarine-launched ballistic rockets (SLBMs).

Hence the correct answer is option C.

Note:- India will soon operationalize a second atomic submarine the "Arihant". It is expected to have a fleet of four such submarines by 2022.
-As indicated by the US Federation of Nuclear Scientists, India at present has 130-140 atomic weapons, Pakistan 140-150, and China 280. While India tried its first atomic weapons in 1998, Pakistan's first weapons test was in 1990, on Chinese soil.