Gummidipoondi railway station (station code: GPD) is a railway station located in Gummidipoondi, Tiruvallur district in the Indian state of Tamil Nadu. It is located on the GudurâÂÂChennai section of the Howrah-Chennai main line and comes under the jurisdiction of Chennai railway division of Southern Railway zone. It is classified as a SG-3 station (annual revenue less than 100 million rupees and less than 10 million passengers handled).