engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Current Affairs Days and Events
What was the theme for World Hydrography Day 2023?
1
Hydrography - the key to well-managed seas and waterways
2
Conservation through hydrography
3
Innovation and collaboration in hydrography
4
Hydrography - Underpinning the Digital Twin of the Ocean