GS 2: GovernanceGS 3: EconomyPrelimsGS 3: Infrastructure: Energy, Ports, Roads, Airports, Railways etc.GS 2: Citizens Charters and Institutional Measures for Transparency
Keep 60% seats free of selection fee; can sit together if PNR is same: Govt, Pg9
DGCA mandates airlines to offer 60% of seats free and ensure passengers with same PNR sit together.