The 22651/22652 MGR Chennai Central - Palakkad Superfast Express is a daily express train between MGR Chennai Central (MAS) and Palakkad Junction railway station (PGT) by Southern Railways via Palani. This is the only train that connects Palani, Udumalaipettai & Pollachi with the state capital Chennai. The train covers a distance of 672 km (418 mi) at an average speed of 57 km/h (35 mph).

Initially, the train ran between Chennai Central and Palani. It was later extended up to Pollachi Junction as a special train between Palani and Pollachi. In 2017, the train was further extended up to Palakkad Junction, thus serving two states - Tamil Nadu and Kerala.

The train operates from Chennai Central to Palakkad Junction via Tiruvallur, Arakkonam Jn, Katpadi, Jolarpettai, Morappur, Salem Jn, Rasipuram, Namakkal, Mohanur, Karur Jn, Dindigul Jn, Akkaraipatti, Oddanchatram, Chatrapatti, Palani, Udumalpet, Pollachi Jn and Palakkad Town.^[1]

This train is a daily service train with the following departures and arrivals at some of these stations:-

• 1 AC First Class
• 2 AC Two Tier
• 2 AC Three Tier
• 11 Sleeper coaches
• 1 Non-AC Sitting coach
• 2 General Unreserved
• 2 Second-class Luggage/parcel van

It runs with ICF-CBC coaches.

Loco	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21
	SLR	UR	S11	S10	S9	S8	S7	S6	S5	S4	S3	S2	S1	B2	B1	A2	A1	H1	D1	UR	SLR

Since the train runs on a fully electrified route, a WAP-7 locomotive of Erode shed or a WAP-4 locomotive if Arakkonam shed hauls the train throughout its journey.^[1][2]