The Civil Aviation Department, Government of Bihar (Patna), invites tenders in a two-cover bid system for selecting air services to new international destinations. The online and physical bid submission period started on June 4, 2026, and closes on June 26, 2026, at 5:00 PM. Bids are tentatively scheduled to open on June 30, 2026, at 3:30 PM. Complete tender documents can be downloaded free of cost from the official portal at state.bihar.gov.in/cad.