Out of the total population, 73.16% are Hindus, 13.02% are Muslims, 12.09% are Christians, 0.04% are Sikhs, 0.01% are Buddhists, 0.16% are Jains, 0.02% are of other category and 0.80% are not stated.

During the late Chola period (9th to 12th century AD) the area belonged to the Churathur Nadu, named after Thiruchuram, the modern Trisulam village near Pallavaram.

The Churathur Nadu extended from Tambaram in the south to Adambakkam and Alandur in the north and included Pammal, Pallavaram, and Thiruneermalai.

CMRL feeder services are also available from Chennai Airport Metro Station to Pammal Bus Stop.

Later CMRL decided to follow the route through the GST Road from Airport to Kilambakkam via Pallavaram, Tambaram and Vandalur which involved less land acquisition, was easier to construct and was expected to have more patronage.