Adani Defence Systems & Technologies and Prime Aero Services have acquired 72.8% stake in Flight Simulation Technique Centre (FSTC) for ₹820 crore, multiple reports said. "This...is the next step in our strategy to build a fully integrated aviation services platform," said Ashish Rajvanshi, CEO, Adani Defence & Aerospace. FSTC is India's largest independent flight training and simulation provider.