The satellite mission for which of the following satellites is oceanographic studies, to study ocean circulation and sea surface elevation?

SARAL

The correct answer is Option (2) → SARAL

The SARAL (Satellite with ARGOS and ALtiKa) mission is focused on oceanography, including:

• Studying ocean circulation
• Measuring sea surface height/elevation
• Climate and ocean dynamics studies

Other options:

• JUGNU → technology demonstration, nanosatellite
• INSAT → communication, meteorology
• HAMSAT → amateur radio communications