Rajiv Gandhi Salai is a major road connecting Chennai with Mamallapuram in Tamil Nadu. It is 45 km long and was earlier known as the Old Mahabalipuram Road (OMR). The road starts from Madhya Kailash Temple Junction on Sardar Patel Road in south-east Chennai and terminates on East Coast Road near Mamallapuram.

The prestigious TIDEL Park, home to a number of BPO and IT/ITES companies and many other major IT/ITES Companies in the country are situated along the Rajiv Gandhi Salai. Prominent technical and educational Institutions, national research laboratories are also located along the Corridor.

Besides, State Industries Promotion Corporation of Tamil Nadu Ltd (SIPCOT) has developed a Cyber City, spread over 2000 acres in Siruseri, abutting the IT Corridor. Many IT/ITES Companies have set up their facilities in the Cyber City.