Explanation:

The Tejas Express is India’s first semi-high speed fully air-conditioned train. Introduced by Indian Railways. It is featuring newer modern on-board facilities and automatic doors. Tejas means "sharp", "lustre" and "brilliance" in many Indian languages. These trains are among the fastest trains in India along with Rajdhani Express, Gatimaan Express, Shatabdi Express and Duronto Express and get the highest priority on the Indian railway network.
The inaugural run of Tejas Express was on 24 May 2017 from Mumbai CST to Karmali, Goa. It covered 551.7 km in 8 hours and 30 minutes.The coaches are manufactured at the Rail Coach Factory, Kapurthala. The train will run at an average speed of 130 km/h (81 mph) but will be allowed to touch 180 km/h (110 mph) on some sections. Currently the train runs at 56 km/h.