Indian Naval Ship (INS) Sandhayak, India's first indigenous large survey vessel, arrived at Changi Naval Base in Singapore on Saturday for a three-day visit, coinciding with Singapore’s National Day celebrations, an official statement said.

The visit is a symbol of growing maritime cooperation between India and Singapore, particularly in the field of hydrography, which involves mapping and studying the sea and ocean floors. It also reflects India’s increasing role in maritime diplomacy and regional partnerships, it said.

"Indian Naval Ship Sandhayak, the first indigenous Survey Vessel Large (SVL) with state of the art hydrography capability entered Singapore on the momentous occasion of its National Day - August 9, 2025 for a three-day visit. The visit reaffirms India’s commitment to regional maritime cooperation and marks a significant step in strengthening bilateral hydrographic ties between the Indian Navy and Singapore’s maritime agencies, a statement issued by the Defence PRO said.