Rajdhani
Rajdhani is a term originating from Hindi and Sanskrit, literally meaning "capital city". It refers to the seat of government for a country, state, or province. In India, the term is most commonly associated with the national capital, New Delhi, which is often colloquially referred to as Rajdhani. Beyond its literal meaning, Rajdhani can also be used metaphorically to denote a center of power, influence, or activity. Several trains operated by Indian Railways are named Rajdhani Express, signifying their importance as express services connecting major cities to the national capital. These trains are known for their speed, comfort, and amenities, reflecting their premium status. The term encapsulates the concept of a central hub and its significance in administration and connectivity.