GRSE has ship building facilities in Kolkata and Ranchi. It has a large Computer Aided Design centre for ship modelling and design. There are four workshops for plate preparation and steel fabrication. GRSE has a dry dock for ships up to. It has a building berth and two slipways for hull construction. It has a covered all-weather non-tidal wet basin for fitting-out medium and small ships and another fitting-out complex for ships with three berths alongside. In addition, it has two river jetties for berthing smaller vessels up to in length. GRSE has engine repair and overhaul facilities in Ranchi. GRSE Ranchi diesel engine plant On 1 July 2006, GRSE acquired the loss-making Rajabagan Dockyard of Central Inland Water Transport Corporation. RBD's facilities with its waterfront helped alleviate some of GRSE's space constraints and increase its production capacity. As of 2011, the shipyard is undergoing a upgrade programme, expected to be completed by March 2012. The second phase of the upgrade programme began in June 2013.
GRSE has designed and built a number of warships and patrol vessels for the Indian Navy and the Coast Guard. Vessels built at GRSE include guided-missile frigates, corvettes, fleet tankers, fast patrol vessels, amphibious warfare vessels and hovercraft. GRSE has built the, s, two and s. It constructed all the patrol vessels of the,,, and es. Among the amphibious warfare vessels, it has built are the and es. In September 2011, it was awarded a ₹2,176 crore contract for building eight landing craft utility vessels. It has been awarded a contract to build four s. On 18 February 2015, the Indian government approved the construction of seven s, three of which will be constructed by Garden Reach Shipbuilding.
Exports
GRSE delivered the corvette to Mauritius on 20 December 2014. The contract was worth $58.5 million. With this, India will join the elite club of warship exporters. The Mauritius offshore patrol vessel has an integrated bridge system and cutting edge controls and main engines and can support 83 member crew. It measures in length and in breadth and will be capable of moving at a maximum speed of with an approximate displacement of 1,350 tonnes. GRSE has been short-listed for a patrol boat project for Vietnam worth and is also bidding for an order of two frigates for Philippines. GRSE was the lowest bidder to supply two light frigates to Philippines and hopes to receive the contract worth more than $321 million in the next two months. A total of four firms joined the bidding for the Philippine Navy project: GRSE; Hyundai Heavy Industries Inc. and Daewoo Shipbuilding & Marine Engineering Co. Ltd., both from South Korea; and Navantia S.A. of Spain. GRSE's light frigate will be a design based on the Indian Navy's Kamorta-class anti-submarine corvette and will be capable of withstanding Sea State 7, which means it can withstand a wave height of up to 9 metres.