He is a retired Brigadier with decades of experience, he knows what DRDO has contributed.
Arihant - L&T is manufacturing it, also made with tons of Russian help iirc.
LRTR - Israeli assistance.
Pinaka - Tata product.
Akash - reverse engineered 1950-60s Russian SAM. Not the best SAM in the world to put it mildly.
Nirbhay - under testing
ICBM/SLBM - under development/not in serial production etc.
Air-to-Air Missiles:
Air-to-Air Missile (Medium Range): Astra MkI (under trials), Astra MkII (under-development)
Surface to Air Missiles (SAM):
Quick-Reaction Surface to Air Missile (QR-SAM): under-development.
Short-Range Surface to Air Missile (SR-SAM): Akash MkI (in production, orders worth Rs 23,000 Cr from IA and IAF; more to be ordered in future); in future could see surface to air version of Astra AAM with Active Radar homing (also confirmed by the uncle of dodhwala of a brf member
).
Medium-Range (for Air Force)/Long-Range (for Navy) Surface to Air Missile: Barak-8 (in production), Barak-8 with Booster (to be deployed starting 2016)
Long-Range Surface to Air Missile: under-development
Anti-Ballistic Missiles -
For Ballistic Missiles with Range < 2500Km
AAD - endo-atmospheric interceptor (should be in production)
PDV - exo-atmospheric interceptor (in development trials). Note: India is one of the only select few countries to have carried out an exoatmospheric interception.
Air-to-Surface Missiles:
Anti-Radiation Missile: NGARM (under-development)
Air to Ground short range missile with MMW Seeker 'in development trials' (Brimstone/Hellfire equivalent); could be fired from armed UAV, Helicopters (LCH, Rudra), Fighter Jets (Su-30, Jaguars, Tejas) and Ballistic Missiles (Prithvi).
Air to Ground short range missile with IIR Seeker: HELINA (in user trials)
Surface to Surface Missiles:
Heavy ATGM: Nag (in user trials)
Man-Portable ATGM: SAMHO/CLGM (should be in production); man-portable Nag (under development)
Guided Rockets: Pinaka-2 (in user trials), Indian version of BM-30 Smerch (under-development)
Short Range Ballistic Missile: Prahaar/Pragati (will be ordered soon)
Long Range Cruise Missile (Sub-Sonic): Nirbhay (in development trials)
Long Range Cruise Missile (Supersonic-Sonic): LRCM (classified, not much known)
Cruise Missile (Supersonic-Sonic): Brahmos; Brahmos-M (under-development)
Cruise Missile (Hyper-Sonic): Brahmos-2 (under-development)
Edit: For more info read these articles (and other from the same author)
Saurav Jha's Blog : Interview with Dr Avinash Chander, DRDO Chief and Scientific Adviser to Defence Minister
Saurav Jha's Blog : Interview with the Chief of DRDO, Avinash Chander -Part II
Saurav Jha's Blog : Some notes on DRDO's PDV ballistic missile defence interceptor
Saurav Jha's Blog : Seeking the future: An interview with Dr G Satheesh Reddy, Director Research Centre Imarat
Then there are Heavy and Light weight Torpedoes, Hull mounted Sonars, Towed Sonars, ECM/ESM for ships, AEW&C, Radars, Armour, C4I system ...etc., etc.,
and finally -
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PS: I recommend you to read DRDO techfocus to keep up with DRDO's capability:
http://drdo.res.in:8080/alpha/drdo/pub/techfocus/tech_focus.htm
PS:
Akash - reverse engineered 1950-60s Russian SAM. Not the best SAM in the world to put it mildly.
This shows why you're ignorant (or choose to be?). Akash was never meant to a high end system. You don't want a million $ missile to take down a $50k PGM ...would you?
INTEGRAL RAM ROCKET (IRR) PROPULSION SYSTEMS
Fuel-efficient air breathing propulsion system was developed exclusively for Project Akash. IRR propulsion system provides powered range right up to target intercept enabling high maneuverability and tail chase capability unlike solid rockets.
Following subsystems were developed ab initio for realizing IRR propulsion system.
Light weight, high pressure rocket motors using indigenous maraging steel, an indigenous high strength alloy steel.
Secondary chamber liner / thermal protection system using carbon phenolic fiber.
Composite propellant booster grain in free standing configuration.
A special grain with variable burn rates was developed and productionised at OF, Itarsi which is also specific to Akash & application.
Air intakes and caps are designed for ramjet application.
The IRR propulsion system is first in the country & it has potential application for long range air launched missile systems for air-to-air and air-to ground role. Not many countries have worked in the complex area of ramjet propulsion.
DRDO