IRNSS - 1G is the:

Correct option is B

The correct answer is: (B) seventh navigation satellite

IRNSS-1G is the seventh satellite in the Indian Regional Navigation Satellite System (IRNSS), also known as NavIC. It was launched by the Indian Space Research Organisation (ISRO) on April 28, 2016, and serves to strengthen India's satellite-based navigation capabilities, providing accurate positioning services to users in India and surrounding areas.

The NavIC system is similar to the GPS (Global Positioning System) but focuses specifically on the Indian region.

• ​ third navigation satellite: The third satellite in the IRNSS series was IRNSS-1C.
• ​ first navigation satellite: The first satellite in the IRNSS series was IRNSS-1A, launched in 2013.​