Why in News:

• The Defence Research and Development Organisation (DRDO) successfully tested the new-generation nuclear-capable ballistic missile Agni Prime.

About Agni-P 

• Agni-P is a new generation advanced variant of the Agni class of missiles. It is a canisterised missile with range capability between 1,000 and 2,000 km.
• Agni-P has improved parameters including manoeuvring and accuracy.
•  Canisterisation of missiles reduces the time required to launch the missile while improving its storage and mobility.
  • Canister-based launch system—serves  as a transporting container, a shelter to store in a ship, and gives operational flexibility.

Agni Class of Missiles

• Agni class of missiles are the mainstay of India’s nuclear launch capability which also includes the Prithvi short range ballistic missiles, submarine launched ballistic missiles and fighter aircraft. The longest of the Agni series, Agni-V, an Inter-Continental Ballistic Missile (ICBM) with a range of over 5,000 km.
• In the last few years, India has also operationalized its submarine-based nuclear launch capability, completing the nuclear triad.
• This is especially important given India’s No-First-Use policy while reserving the right of massive retaliation if struck with nuclear weapons first.

References: 

1. https://indianexpress.com/article/india/drdo-tests-nuclear-capable-agni-prime-missile-7679198/
2. https://www.thehindu.com/news/national/india-successfully-tests-nuclear-capable-ballistic-missile-agni-p/article37984273.ece