Circar Express
The 17643 / 17644 Circar Express is a daily express train run by Indian Railways from Chengalpattu Junction railway station to Kakinada Port railway station. The train covers a distance of 755 km. Arrival and departure. Train no. 17643 departs from Chengalpattu Junction every day at 16:00 hrs. reaching Kakinada Port the next day at 10:10 hrs. Train no. 17644 departs from Kakinada Port every day at 14:20 hrs. reaching Chengalpattu the next day at 08:20 hrs. Locomotive. The train is hauled by WAP-7 of Lallaguda locomotive shed between Chengalpattu and and WDP-4D locomotive of Gooty from Vijayawada to  Kakinada Port. Rake sharing. This train has rake sharing with Kacheguda–Chengalpattu Express (17652/17651) Average speed and frequency. The train runs at an average speed of 43 km/h. It runs on a daily basis. Demands. There are Demands to extend this train from Chengalpattu Junction to Puducherry.