[2] It shares the record of being the second fastest train between Chennai Central and Hazrat Nizamuddin covering the distance of 2175 km in 28 hours and 10 minutes as Chennai Duronto covering the 2,175 km journey in 27 hours and 55 minutes but in return it does not happen.

It covers it's 2175 km distance in just 28 Hours The train get highest priority on the Indian railway network and is fully air-conditioned.

Sometimes people become confused because according to Indian Railways Permanent Way Manual (IRPWM) on its website or Indian Railway Institute of Civil Engineering website, the BG (Broad Gauge) lines have been classified into six groups 'A' to 'E' on the basis of the future maximum permissible speeds but it may not be same as present speed.

The maximum permissible speed of the train or the route is 130 km/h in Agra Cantt (AGC) – DHO – Jhansi – Lalitpur (LAR) route but increasing of speed of H. Nizamuddin – Jhansi Gatimaan Express and Rani Kamalapati (Habibganj)–Hazrat Nizamuddin Vande Bharat Expressup to 160 km/h is planned between Agra Cantt and Jhansi and the proposed speed is higher than this Chennai Rajdhani Express train.

[5] The maximum permissible speed of the train or the route is 130 km/h over Itarsi - Jujharpur (JHP) - Nagpur - Wardha - Ballarshah (BPQ)[6][7] except Dharakhoh – Maramijhiri, Chichonda – Teegaon hilly areas where it is 65 km/h.

[9] The maximum permissible speed of the train and the route is increased to 130 km/h from 110 in Gudur (GDR) – Basin bridge – MGR Chennai Central (MAS) (fast lines between Basin Bridge and Chennai Central are taken) route recently (Press Release on Southern Railway website on 07, Oct 2022).