As you asking I am telling K-4 is a nuclear capable Intermediate-range SLMB (submarine-launched ballistic missile) under development by DRDO (Defence Research and Development Organisation) of India to arm the Arihant-class submarines. The missile has a reported effective range of over 3500 km.

K-4

Type Intermediate-range SLBM

Place of origin India

Service history

In service Undergoing trials

Used by Indian Navy

Production history

Designer Defence Research and Development Organisation

Manufacturer Bharat Dynamics Limited

Specifications

Weight 17 t (19 short tons)

Length 12 m (39 ft)

Diameter 1.3 m (4.3 ft)

Warhead 2,500 kg (5,500 lb) Nuclear



Engine Solid-fueled

Operational

range 3,500 km (2,200 mi)

Guidance

system Ring Laser Gyro Inertial navigation system[citation needed]

Accuracy Near zero CEP

Launch

platform Arihant class submarines