GSAT-31 is an/a __________.

Correct option is C

The correct answer is option (c): Telecommunication Satellite
Explanation:
GSAT-31 is an Indian geostationary telecommunication satellite launched by the Indian Space Research Organisation (ISRO). It was launched on February 6, 2019, using the Ariane-5 VA 247 rocket from the Kourou launch base in French Guiana.

Explanation of Other Options:

• Navigational Satellite:
  Examples include NavIC satellites (Navigation with Indian Constellation), which provide positioning and navigation services.
  
•  Polar Satellite:
  These satellites are launched into polar orbits for Earth observation, such as RISAT (Radar Imaging Satellite) and Cartosat series.
  
• Experimental Satellite:
  These satellites are launched to test new technologies, such as Rohini Technology Payload (RTP) and RISAT-1.