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Indigenous K-4 and Pranash Missiles

February 10, 2020 By Lt. General P.C. Katoch (Retd) Photo(s): By PIB
The Author is Former Director General of Information Systems and A Special Forces Veteran, Indian Army

 

File picture of Prahaar. DRDO is now developing a new tactical ballistic missile 'Pranash' which traces its origin to the 'Prahaar' missile.

On January 19, 2020 India successfully tested the indigenous K-4 missile of Vizag coast. K-4 is a nuclear capable Intermediate-range submarine-launched ballistic missile developed by the DRDO to arm the Arihant-class submarines. The missile has a maximum range of 3500 km. The missile was fired off a pontoon between 12 noon and 1 pm off the Vizag coast in Andhra Pradesh and the delivery platform was tracked over 1,500 km before it shifted to ship-based radars. The missile met all its classified mission objectives. Developmental testing of K-4 missile commenced in January 2010, when the missile successfully ejected from a pontoon submerged 50 meters below the surface of water and breached the surface.

The first test from a pontoon submerged more than 20 meters below the surface of water was carried out on March 24, 2014 successfully and the missile tested to a range of 3,000 km. Ejecting from the pontoon submerged off the Vizag coast, the missile rose into the air, took a turn towards the designated target, sped across 3,000 km in the sky and dropped into the Indian Ocean. The K-4 was again tested from a submerged platform on March 7, 2016. On March 31, 2016, the K-4 was successfully tested from INS Arihant at sea – 45 nautical miles off Vizag. With a dummy load, the K-4 launched from the submarine in full operational configuration was fired from 20-meter deep and covered more than 700 km before zeroing on the target with high accuracy. On December 17 2017, an attempt to launch K-4 missile was unsuccessful because of a discharged battery. The next development trial of the K-4 was planned in November 2019 but was postponed due to unfavorable weather conditions caused Cyclone Bulbul. This was then carried out on January 19, 2020 with full operational configuration during which the missile traversed a distance of over 3,500 km in about 21 minutes, achieving a near-zero circular error of probability (CEP). This was followed by the final development test on January 24, 2020 which was equally successful. With this, the K-4 missile is ready for serial production. The CEP of the K-4 carrying a nuclear warhead of over one ton is far lower than that of Chinese ballistic missiles. Only the US, Russia and China have submarine-launched ballistic (SLBMs) of 3,500 km range.

The INS Arihant is already equipped with a 700 km range B-02 nuclear missile. The January 2020 K-4 missile tests were conducted in presence of representatives of the Strategic Forces Command (SFC). India's second nuclear submarine INS 'Arighat' is on the way to become operational. The K-4 missiles equipping the Arihant class nuclear submarines will boost the punch of the SFC to great extent. India's Agni series of nuclear-capable ballistic missiles can hit targets at different ranges between 700 km and 5,500 km. DRDO's short-range Prithvi series of missiles with ranges of 150 to 350 km too are nuclear-capable.

The DRDO is now developing a new tactical ballistic missile 'Pranash' with a strike range of 200 km. The new weapon traces its origin to the 'Prahaar' missile developed by the DRDO. The Prahaar has a range of 150 km but the army wanted a weapon with a better range, which is why Pranash is being developed. A DRDO official told media at the DefExpo 2020, "The configuration of Pranash has been frozen and development trials will begin by 2021-end. We will be in a position to offer it for user trials in two years. The army wants a missile with a range in the region of 200 km". The non-nuclear Pranash missile will be propelled by a single-stage solid propellant engine. According to a DRDO official, "It (Pranash) will be one of the cheapest missiles in the world in its range category. Also, the missile is outside the purview of the Missile Technology Control Regime (MTCR), which places export restrictions on missiles with ranges of more than 300 km". Inaugurating DefExpo 2020 on February 5, 2020 Prime Minister Narendra Modi had said that defence exports should double in next five years – the country's target was to clocks exports worth 35,000 crore in the next five years. Modi said that India had exported military hardware worth 17,000 crore during the last two years, compared to 2,000 crore in 2014. Increasing weapons exports is a top priority for the government. The draft Defence Production Policy released in March 2018 had visualized India as one of the top five countries in the aerospace and defence sectors in the coming years.