Multi-Port Capital Dredging Framework Seeks to Eliminate Transshipment Detours and Accommodate Fully Laden Capesize Bulkers and Ultra-Large Container Liners


NEW DELHI / MUMBAI — In a major infrastructure push designed to overhaul coastal navigation channels and expand India’s deepwater handling margins, the Ministry of Ports, Shipping and Waterways (MoPSW) has officially rolled out its Annual National Dredging Modernization Plan across the country’s 12 Major Port Authorities.

Deliberated and formalized during the annual national maritime dredging review conference held in Mumbai, the policy blueprint establishes a coordinated capital dredging target: systematically increasing operational access drafts across major maritime gateways to a uniform baseline of 18 metres, with turning basins and outer approach channels excavated to depths between 20 and 23 metres.

The multi-year dredging roadmap is backed by an estimated capital allocation exceeding ₹40,000 crore under the overarching framework of Maritime India Vision 2030 and the Maritime Amrit Kaal Vision 2047. The primary objective is to eliminate the severe physical draft bottlenecks that have historically forced large merchant vessels to discharge partial cargo or bypass Indian major ports altogether.

Addressing Historical Draft Constraints and Transshipment Overheads

For decades, the majority of India's major public-sector ports operated with restrictive navigational drafts of 12 to 14.5 metres. As a result, fully laden Capesize bulk carriers (exceeding 150,000 to 170,000 DWT) carrying metallurgical coking coal, thermal coal, and iron ore, as well as mainline Ultra-Large Container Vessels (ULCVs) of 18,000 to 24,000 TEU capacity, were barred from direct quayside berthing.

These navigational limitations forced Indian importers and exporters into costly, time-consuming logistical alternatives:

  • Costly Midstream Lighterage: Dry bulk operators frequently resorted to double-handling at offshore outer anchorages—discharging a third of the cargo onto smaller coastal barges before entering port basins—adding $4 to $8 per metric tonne to raw material import bills.

  • Secondary Foreign Transshipment: Containerized cargo was routed through regional overseas hubs such as Colombo, Singapore, and Salalah on feeder shuttles, incurring additional handling fees, currency exchange risks, and extended transit schedules.

Under the new operational mandate, capital dredging works will expand upon recent milestones, such as Kamarajar Port Limited's (Ennore) completion of its ₹440-crore Capital Dredging Phase VI—which made it India's second Cape-compliant major port alongside Visakhapatnam Port with an 18-metre operational draft. Ports including Paradip, Deendayal (Kandla), V.O. Chidambaranar (Tuticorin), and Jawaharlal Nehru Port Authority (JNPA) are now systematically scheduled for phased channel deepening and basin widening.

Fleet Modernization and Institutional Procurement Protocols

To execute dredging campaigns on this scale without continuous delays, MoPSW has restructured its operational execution agreements with the state-owned Dredging Corporation of India Limited (DCIL) and private dredging consortiums.

Key pillars of the dredging modernization guideline include:

  • Long-Term Performance-Linked Contracts: Transitioning port dredging tenders from short-term emergency charters to 3- to 5-year assured depth contracts, holding contractors accountable for maintaining guaranteed draught baselines year-round regardless of seasonal monsoon siltation.

  • Modernization of the Domestic Dredger Fleet: Deploying high-capacity Trailing Suction Hopper Dredgers (TSHD) with hopper volumes exceeding 12,000 cubic metres and specialized Cutter Suction Dredgers (CSD) capable of crushing hard seabed strata in outer entrance channels.

  • Beneficial Reuse of Dredged Material: Mandating that non-toxic, dredged marine sand and seabed soil be reclaimed for port land expansion, road embankment construction, and breakwater bund stabilization, directly reducing project land-acquisition outlays.

  • Automated Hydrographic Bathymetry: Requiring high-resolution multibeam sonar mapping and continuous real-time bathymetric data integration with the national Sagar Setu and E-Samudra digital platforms to provide commercial shipping masters with live nautical depth clearances.

Strategic Trade and Macroeconomic Dividends

Union Minister of Ports, Shipping and Waterways Sarbananda Sonowal noted that deepening the national port grid represents a core prerequisite for India's export cost parity:

"World-class industrial manufacturing requires world-class maritime logistics. By deepening our major ports to sustained drafts of 18 metres and beyond, we are dismantling the historical barriers that have kept global mainline mega-carriers from calling directly at our shores. Direct berthing of Capesize bulk carriers and ultra-large boxships lowers maritime freight overheads by 15% to 20% through sheer economies of scale, keeping our manufacturing clusters globally competitive."

With the dredging roadmap now entering immediate execution phases across eastern and western seaboards, port authorities project that the removal of draft restrictions will substantially compress terminal turnarounds, relieve feeder logjams, and reinforce India's sovereign handling capability across international East-West shipping lanes.