First mobile phone conversion take place in India between

Which of the following is the first missile which has been developed in India?

The first astronaut to walk in outer space is

Which of the following is India’s development IRBM?

The intermediate range nuclear capable missile developed indigenously is named

Who propounded the possibility of placing communications satellites in geosynchronous orbit for the first time?

What is the name given to India’s lunar mission?

Which one is India's first operational remote sensing satellite?

What is the purpose of India's Mars orbiter mission?

Which one is India's first satellite exclusively used for educational purpose?