Which of the following was NOT an aim of the satellite INSAT-1B?
Answer & explanation
Correct answer: option 1
The correct answer is option 1. Protecting the national borders.
INSAT-1B, launched in 1983, primarily focused on telecommunications, TV communication, weather forecasting, and disaster warning. Protecting national borders is typically a function of military and security agencies, not satellites designed for civilian purposes such as INSAT-1B.