The 22645/22646 Ahilya Nagari S. F Express is a weekly Superfast express train of the Indian Railways, running between Indore in Madhya Pradesh and Kochuveli in Kerala (via Chennai Central). From February 2021, the terminal was changed to Kochuveli instead of Thiruvananthapuram Central in Kerala . It runs between Kochuveli and Indore via Chennai Central^[1][2][3]

The name Ahilyanagari signifies the former name of the city of the Devi Ahilyabai Holkar, that is, Indore. Previously, it was running between Cochin Harbour Terminus and Indore, and later it was extended to Thiruvananthapuram. In February 2021, its terminal was changed to Kochuveli near Thiruvananthapuram Central

The 22645 Ahilyanagari Express has an average speed of 56 km/h and covers 2645 km in 47 hours and 5 minutes.^[4]

The 22646 Ahilyanagari Express has an average speed of 57 km/h and covers 2645 km in 46 hours 30 minutes.^[5]

The important halts of the train are:

• Indore Junction
• Ujjain Junction
• Shujalpur
• Bhopal Junction
• Itarsi Junction
• Ghoradongri
• Amla Junction
• Nagpur Junction
• Balharshah Junction
• Ramagundam
• Warangal
• Vijayawada Junction
• Nellore
• Gudur Junction
• Chennai Central
• Salem Junction
• Erode Junction
• Coimbatore Junction
• Palakkad Junction
• Ernakulam Town (22646 Ahilyanagari Express does not halt here)
• Ernakulam Junction
• Alappuzha
• Kollam Junction
• Kochuveli

The train shares its rake with the following trains:

• 22647/48 Kochuveli–Korba Express Superfast Express
• 12643/44 Thiruvananthapuram Central-Hazrat Nizamuddin Swarna Jayanti Supefast Express

The train reverses its direction 2 times at:

• Ujjain Junction
• Chennai Central

As the route is completely electrified, an Erode (EDDS) or Royapuram (RPM)-based WAP-1/WAP-4/WAP-7 powers the train the entire journey.

The train consists of 21 coaches as follows:

• 1 AC II Tier coach
• 7 AC III Tier coaches
• 9 Sleeper class coaches
• 2 General Unreserved coaches
• 2 Seating cum Luggage Rakes

• Kochuveli–Indore Weekly Express