a total of (11.5%) of the land was used for residential, (0.8%) for commercial, (2.7%) for industrial, (1.4%) for public and semi public purposes and (0.8%) for educational purposes. Out of the undeveloped land area, (21.3%) is under land and water, (50.5%) of the area is used for agricultural purposes, (5.4%) is vacant land in quarries and hillocks and (5.6%) for transport and communication. As of 2008, there were 29 notified slums, with 59,075 comprising 37.23% of the total population residing in those. As per the religious census of 2011, Cuddalore had 89.12% Hindus, 6.09% Muslims, 3.98% Christians, 0.02% Sikhs, 0.02% Buddhists, 0.27% Jains, 0.48% following other religions and 0.01% following no religion or did not indicate any religious preference. Transport Cuddalore has Three major railway stations, namely, Cuddalore Port Junction and Tiruppadirippuliyur Cuddalore Castle, Varakalpattu Cuddalore Moffusil both on the Viluppuram–Mayiladuthurai–Tiruchirappalli Mainline Section. The Cuddalore Port Junction has a branch to Virudhachalam Junction railway station via Neyveli. Cuddalore Port Junction has four platforms and one stabling line used more for handling freight trains. Tiruppadirippuliyur Cuddalore Castle, the other important railway station of Cuddalore has two platforms and is located close to the Cuddalore bus stand. There are express and passenger trains on either side, connecting various cities with Tamil Nadu. There are daily express trains to many cities. There is 230 km (140 mi) of roads in the town, out of which the Highways department maintains 26 km (16 mi). The Cuddalore City maintains a total of of roads: of concrete roads, of bituminous roads, of water-bound macadam (WBM) roads and of earthen roads. The National Highways, NH-32 Viluppuram–Pondicherry–Cuddalore–Chidambaram–Nagapattinam–Thoothukudi Highway passes through Cuddalore. Cuddalore is served by a town bus service, which provides connectivity within the town and the suburbs. There are privately operated mini-bus services that cater to local transport needs. The main bus stand is located in Thirupapuliyur. The nearest airport is in Pondicherry, approximately from Cuddalore, while the nearest international airport is Chennai International Airport, located from the town. There is an airport finished its construction and waiting for the opening in Neyveli, which is nearly from Cuddalore. Daily flights to Chennai is going to be operated by Air Odisha. The town is served by Cuddalore Port, a minor port. This port mainly handles cargo and is in close vicinity to Cuddalore Port Junction. Economy Being a coastal town, historically, Cuddalore's primary industry was fishing. Although