ISRO space vision 2025 includes:
1. Satellite based communication and navigation systems mainly for rural connectivity.
2. Space science mission for better understanding of solar system and universe.
3. Reusable Launch Vehicles Technology demonstrator mission leading to Two-stageTo-orbit-(TSTO).
4. Planetary explorations to Mars and Venus.
Which of the above statements is/are correct?
(a) 1 and 2
(b) 2 and 4
(c) 1, 2 and 3
(d) 2, 3 and 4
