Indira Gandhi International (DEL) in New Delhi and Chhatrapati Shivaji International (BOM), also known as Sahar, in Mumbai, are the country’s busiest airports with several daily international flights and hourly flights to other Indian cities. Bangalore (BLR), Hyderabad (HYD) and Calcutta (CCU) also have international airports that provide access to the south and east sections of the subcontinent.