1. Who is the current chairman of DRDO? G Sathish Reddy Samir Kamat G Naidu V N Vohra 2. Which set of aircrafts are exempted from GAGAN system till 2025? MIG Lufthansa Tejas Boeing 787 3. India’s first 3D printed post office will come up at which state? Punjab Karnataka Goa Kerala 4. Southern black [...]