The 13575/13576 Tambaram–Jasidih Junction Ratna Weekly Express (formerly Chennai Central–Asansol Ratna Express) is a Express train of the Indian Railways connecting in Tamil Nadu and Jasidih Junction in Jharkhand. It is currently being operated with 13575/13576 train numbers on a weekly basis. Service The 13575/Tambaram–Jasidih Junction Ratna Weekly Express has an average speed of 56 km/hr and covers 1872 km in 33 hrs 25 mins. 13576/Jasidih Junction–Tambaram Ratna Weekly Express has an average speed of 54 km/hr and covers 1872 km in 34 hrs 45 mins. Route & Halts The important halts of the train are: Chennai Egmore Eluru (Adra alternative) Asansol Junction Coach composition The train has newly manufacturef LHB rakes with max speed of 110 kmph. The train consists of 22 coaches : 1 AC II Tier 6 AC III Tier 10 Sleeper Coaches 2 General Unreserved 1 Pantry Car 2 End On Generator Cars (EOG) Traction Both trains are hauled by an Erode shed-based WAP-4 electric locomotive from Tambaram to Visakhapatnam, from Visakhapatnam it is hauled by a Tatanagar shed based WAP-7 locomotive up to Asansol and from Asansol to Jasidih by a Howrah shed based WAP-7 locomotive and vice versa. Direction reversal The train reverses its direction 1 times: Asansol Junction See also Chennai Central Asansol Junction railway station Indore–Pune Superfast Express Notes References External links 12375/Chennai Central – Asansol (Ratna) SF Express 12376/Asansol – Chennai Central (Ratna) SF Express Transport in Chennai Transport in Asansol Express trains in India Rail transport in Tamil Nadu Rail transport in Andhra Pradesh Rail transport in Odisha Rail transport in Jharkhand Rail transport in West Bengal Railway services introduced in 2012 Named passenger trains of India