Open Session GTB Nagar | Prelims 2025 Revision with Master Classes | विज्ञान एवं प्रौद्योगिकी Topic 1. Types of Orbit: भू-तुल्यकालिक, भू-स्थैतिक, LEO 2. Satellite Launch Vehicles: PSLV, GSLV, Agnibaan SOrTeD 3. ISRO द्वारा मुख्य पहलें 📅 Date: 15 फरवरी | 🕚 Time: 11 AM 📍 Venue: VisionIAS Classroom & Enquiry Office, above GTB Nagar Metro Building, Gate no. 2, 110009 #upsc2025 #prelimsrevision #spacetechnology #visionias