As you asking I am telling Akash is a medium-range mobile surface-to-air missile defense system developed by the Defence Research and Development Organisation (DRDO), Bharat Dynamics Limited (BDL) for Missile Systems, Ordnance Factories Board and Bharat Electronics (BEL) for other Systems in India.

As you asking here for DRDO Akash Mk2, so as reported on June 11, 2010, Akash Mk-2 version has begun development and will be ready for a first flight in 24 months. The Akash Mk-2 will be a longer-range, faster and more accurate SAM. The missile will have an intercept range of 30–35 km and increase in the accuracy of the missile's guidance system and the fire control system. Putting a seeker on board to allow the Akash Mk-2 to operate over a larger profile is one of the options being considered:

More about Akash (missile)

Type Mobile Surface-to-air missile system
Place of origin India
Service history
In service 2009-present
Used by Indian Army
Indian Air Force
Production history
Designer DRDO
Manufacturer Ordnance Factories Board
Bharat Dynamics
Bharat Electronics
Produced 2009-present
Number built 3000 missiles
Specifications
Weight 720 kg (1,590 lb)
Length 578 cm (228 in)
Diameter 35 cm (14 in)
Warhead High-explosive, pre-fragmented warhead
Warhead weight 60 kg (130 lb)
Detonation
mechanism RF proximity fuse

Propellant integral rocket motor/ramjet booster and sustainer motor
Flight ceiling 18 km (59,000 ft)
Speed Mach 3