Indian Army received the first batch of six Dhanush artillery guns from the Ordnance Factory Board (OFB) on April 8, 2019.
- It is the indigenously upgraded version of the Swedish Bofors gun procured in the 1980s.
- It is a 155 mm, 45-calibre towed artillery gun with a range of 36 km and has demonstrated a range of 38 km with specialised ammunition.
- It is an upgrade of the existing 155m, 39 calibre Bofors FH 77 gun.
- It is compatible with all North Atlantic Treaty Organisation (NATO) 155 mm ammunition system.
- The first phase of trials were conducted between July and September 2016 at Pokhran and Babina ranges and the second phase was held between October and December 2016 at the Siachen base camp with three guns.
- It is fitted with inertial navigation system with global positioning system- (GPS) based gun recording and auto-laying, an enhanced tactical computer for onboard ballistic computations, an onboard muzzle velocity recording, an automated gun sighting system equipped with camera, thermal imaging and laser range finder.