<h1>IndiGo disruptions: regulator orders CEO to appear with full operational data and attend probe panel.</h1> The aviation regulator has directed the airline's CEO and senior officials to appear and submit comprehensive data on operational disruptions, pilot and crew recruitment and strength, flight restorations, cancellations and refunds. A four-member panel will probe root causes, scrutinise manpower planning, crew rostering and readiness to implement duty period and rest norms, and assess compliance with Flight Duty Time Limitation provisions and accountability for planning failures.