April 13, 2026 Reading Time: 4 minutes
| Feature | | Sagar Nidhi (2008) | Sagar Anveshika (2021) | |---------|----------------|------------------------|----------------------------| | Ice-class | No | Yes (able to operate in Antarctic summer) | No | | DP rating | DP-1 | DP-2 | DP-2 | | Maximum scientists | ~35 | ~30 | ~40 | | A-frame lift capacity | 15 tonnes | 20 tonnes | 25 tonnes | | Key specialty | multi-purpose | coring, CTD, ROV | advanced biogeochemistry & seismology | Sagar Kanya Research Vessel