I would like to tell you that Defence Research and Development Organisation did not manufactured HAL Dhruv helicopter and here I will let you know more about it.

The HAL Dhruv is a utility helicopter developed Hindustan Aeronautics Limited (HAL) which in versions include transport, utility, reconnaissance and medical evacuation variants for Indian Armed Forces.

HAL Dhruv


Variants
Military variants
Mk.1
Mk.2
Mk.3
Mk.4

Civil variants
Dhruv (C)
Dhruv (CFW)
Dhruv (CS)
Garuda Vasudha

Specifications
General characteristics
Crew: 1 or 2 pilots
Capacity: 12 passengers (14 with high density seating); or 4 stretchers with 2 attendants; or 2 stretchers with 4 attendants
Length: 15.9 m (52 ft 2 in)
Width: 13.2 m (43 ft 4 in)
Height: 4.98 m (16 ft 4 in)
Empty weight: 2,502 kg (5,516 lb)
Max takeoff weight: 5,500 kg (12,125 lb)
Fuel capacity: 1400 litersUseful load: 2600 kg
Powerplant: 2 × HAL Shakti Turboshaft, 899 kW (1,206 hp) each . Used in Mk III and Mk IV.
Powerplant: 2 × Turbomeca TM 333 Turboshaft, 801 kW (1,074 hp) each . Used in Mk I and Mk II.
Main rotor diameter: 13.20 m (43 ft 4 in)

Performance
Maximum speed: 295 km/h (183 mph; 159 kn)
Range: 640 km (398 mi; 346 nmi)
Endurance: 3h 42m
Service ceiling: 6,096 m (20,000 ft)
Rate of climb: 10.3 m/s (2,030 ft/min)

Armament
Missiles:
8 Anti-tank guided missiles
4 Air-to-air missiles
4 x 68 mm Rocket Pods (Air-Force & Army)
4 x 70 mm Rocket Pods FZ231
2 Torpedoes
Depth charges or Anti-ship missiles