Pillar Remotely Operating Vehicle.
Underwater image from PROVe.
Deep Water ambient noise system.
Integrated Inertial Navigation System for Samudrayaan . This helps in traversing through Underwater.
Diagram of life support sensor network.
Samudrayaan is no less than a gagnyaan. ISRO also involved in the project.
Schematic
Major Subsystems Of the Samudrayaan
Matsya is like Crew Module of Samudrayaan in Research Ship.
this is a sea glider for research purposes .