Initially built as a residential neighbourhood, it is now considered the largest shopping district in India by revenue. It is known for its plethora of saree and jewellery retailers, including Pothys, Nalli Silks and Saravana Stores. The neighbourhood is served by Mambalam railway station of the Chennai Suburban Railway Network. T. Nagar is considered one of the city's major central business districts, the other being Parry's Corner, the centre of the city. Pondy Bazaar serves as a satellite commercial hub for T. Nagar, located around the Thyagaraya Road.