Explanation:

Agni II
•Agni-II (fire), is a nuclear-capable, surface-to-surface strategic ballistic missile.
•The Agni (missile) family is envisaged to be the mainstay of the Indian missile-based strategic nuclear deterrence.
•It is a two stage surface-to-surface missile, equipped with an advanced high accuracy navigation system and guided by a novel state-of-the-art command and control system.
•The Agni-II missile is developed by Advanced Systems Laboratory (ASL) and integrated by the Bharat Dynamics Limited (BDL), Hyderabad.
Prithvi II
•Prithvi-II is India’s first developed indigenously and inducted indigenous surface-to-surface strategic missile.
•It is first missile to be indigenously developed by DRDO under India’s prestigious Integrated Guided Missile Development Program (IGMDP).
K-15
•K-15 (K-15 Sagarika missile) is an underwater missile developed by Defence Research and Development Organisation (DRDO)
•It is a nuclear-capable submarine launched ballistic missile with a range of 700 kilometres. It belongs to the K Missile family. It is being developed f... for use with Indian Navy nucleur-powered Arihant class submarime.
Shaurya missile
•The Shaurya missile is a canister launched hypersonic boost-glide surface-to-surface tactical missile developed by the Indian Defence Research and Development Organisation (DRDO) for use by the Indian Armed Forces.