​The new version of the Akash surface-to-air defence missile 'Akash 1S' is fitted with:​

Correct option is C

The correct answer is (C) a new indigenously-developed seeker.

Explanation:

• The Akash 1S is an advanced version of the Akash surface-to-air missile, which is equipped with a new indigenously-developed seeker to improve targeting accuracy and missile guidance.

Incorrect Options Explanations:

• A new indigenously-developed propeller: Related to BrahMos missile, not Akash 1S.
• A new indigenously-developed actuator: Seen in some versions of Prithvi missile, but not Akash 1S.
• A new indigenously-developed command guidance programme: More relevant to Pinaka missile systems.

Information Booster:

• Akash Missile: Developed by DRDO (Defence Research and Development Organisation).
• Year of development: First tested in 2008 and inducted into the Indian Army in 2015.
• Range: Approximately 25-30 km.
• Target: Can intercept aircraft, missiles, and drones at low and medium altitudes.
• Speed: Mach 2.5 (about 3,100 km/h).
• The Akash missile system is a crucial part of India's air defence strategy, providing reliable protection against various aerial threats.