Knowledge Marine & Engineering Works Commissions Largest Dredger
Key highlights
- KMEW commissioned River Pearl 47 at JNPA under a three-month contract from Dredging Corporation of India Limited.
- River Pearl 47 has projected utilisation of more than 240 days a year for two to three years, according to company information.
- KMEW received a three-year NMPA maintenance dredging order worth approximately ₹303.17 crore, including taxes, on October 30, 2026.
- KMEW holds a stated 26% share of the 365-kilometre Haldia-Varanasi stretch on National Waterway-1.
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Knowledge Marine & Engineering Works Limited has commissioned River Pearl 47, described as India’s largest and deepest Indian-flag self-propelled backhoe dredger, at Jawaharlal Nehru Port Authority under a three-month contract awarded by Dredging Corporation of India Limited. The deployment adds a specialised vessel to KMEW’s port dredging operations.
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Why has KMEW commissioned River Pearl 47 at JNPA?
KMEW commissioned River Pearl 47 for a rock-dredging assignment at Jawaharlal Nehru Port Authority, or JNPA, under a contract with Dredging Corporation of India Limited, or DCI. The vessel is a self-propelled backhoe dredger and has been described by the company as the largest and deepest Indian-flag vessel of its kind.
The assignment is for three months, according to the available company information. Its commissioning at one of India’s major ports is relevant because rock dredging requires specialised equipment and forms part of work needed to maintain or improve navigational access in port channels and berths.
What does the DCI contract cover?
The DCI contract covers the deployment of River Pearl 47 at JNPA for rock dredging. The source does not disclose the contract value, the volume of material to be dredged, or the precise scope of work beyond the vessel’s deployment for the project.
KMEW has stated that River Pearl 47 was built and deployed for the JNPA rock-dredging project in the first quarter of FY27. Company information also indicates projected utilisation above 240 days a year for two to three years, although this is an operational projection rather than a disclosed contract term for the three-month DCI assignment.
How does River Pearl 47 fit into KMEW’s dredging business?
River Pearl 47 extends KMEW’s dredging fleet and supports its presence in both port and inland-waterway projects. Dredging is identified as the company’s principal business segment, alongside owning and operating marine and ancillary crafts, and repair and maintenance of marine crafts and marine infrastructure.
KMEW has built its fleet over several years through vessel conversions, acquisitions and new deployments. In 2016-17, it acquired and converted hopper barge River Pearl 2 into a grab dredger. In 2019, it deployed trailing suction hopper dredger River Pearl 4 at the Kolkata Channel, and in 2020 it completed 1 million cubic metres of dredging under a single Kolkata Port order using that vessel.
The company also acquired trailing suction hopper dredger River Pearl 18 in January 2024. The vessel has a hopper capacity of 1,890 cubic metres and was mobilised from Bulgaria to Bahrain for KMEW’s sand-mining contracts there. These developments show that the fleet includes multiple dredger types serving different marine and inland operating requirements.
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What is KMEW’s position in inland waterway dredging?
KMEW holds a stated 26% share of the 365-kilometre Haldia-Varanasi stretch of National Waterway-1, which gives it a material presence in India’s inland-waterway dredging market. It has also secured Inland Waterways Authority of India contracts totalling ₹171.2 crore on the waterway.
Company information states that roughly 100 million cubic metres of dredging takes place annually for inland waterways. KMEW has maintained safe navigational depth across 375 kilometres of river stretches in National Waterway-1 and National Waterway-16 through a fleet of nine cutter suction dredgers with solids production capacities ranging from 400 to 550 cubic metres an hour.
One listed project involves fairway maintenance through quantity-based dredging on the 74-kilometre Barh-Digha stretch of National Waterway-1. The work uses cutter suction dredgers and multi-cat workboats, including River Pearl 19, River Pearl 20, River Pearl 21 and River Pearl 22, for a three-year period ending on April 22, 2027.
What other dredging orders has KMEW disclosed?
KMEW has disclosed a three-year maintenance dredging order from New Mangalore Port Authority, or NMPA, valued at approximately ₹303.17 crore, including taxes. The company received the Letter of Acceptance for the order on October 30, 2026, and described it as its largest dredging order to date.
The NMPA award and the JNPA deployment indicate that KMEW is undertaking work across distinct port locations and equipment categories. River Pearl 47 is associated with rock dredging at JNPA, while the NMPA contract is for maintenance dredging over three years. The available disclosures do not provide a financial value for the River Pearl 47 assignment.
What does the commissioning mean for investors and port operations?
The commissioning provides KMEW with an additional specialised asset for port-related dredging work. For port operations, a backhoe dredger deployed for rock dredging can support channel and berth-related marine works, although the company has not disclosed project milestones, dredging volumes or completion targets for the JNPA contract.
For investors, the key disclosed facts are the three-month DCI contract, the vessel’s stated position as the largest and deepest Indian-flag self-propelled backhoe dredger, and KMEW’s separate ₹303.17 crore NMPA order. The company’s reported utilisation outlook of more than 240 days annually for River Pearl 47 will be an operating metric to track, but it remains a projection.
Conclusion
River Pearl 47’s commissioning places KMEW’s specialised backhoe dredger at JNPA under a three-month DCI contract. The deployment fits with the company’s established dredging operations, which span inland waterways, port maintenance work, trailing suction hopper dredging and overseas sand-mining activity.
The next disclosed operating developments to watch are utilisation of River Pearl 47, progress on the JNPA rock-dredging assignment, and mobilisation under the three-year NMPA maintenance dredging order valued at ₹303.17 crore. KMEW has not disclosed the value or detailed work schedule of the JNPA contract.


