Expand INSAT in reference to the Indian communication system.
Answer & explanation
Correct answer: option 2
The correct answer is Option 2: Indian National Satellite System
NCERT: "On the basis of configuration and purposes, satellite systems in India can be grouped into two: Indian National Satellite System (INSAT) and Indian Remote Sensing Satellite System (IRS). The INSAT, which was established in 1983, is a multi-purpose satellite system for telecommunication, meteorological observation and for various other data and programmes."