Such factors as being on the coast, sparsely populated and easily accessible by rail, road and sea, have all weighted with the scientist in selecting Sriharikota, Nellore in Andhra Pradesh, as a suitable place for launching rockets. The same factors clinched the selection of Cape Kennedy in US and Kourou in French Guiana as ideal launching sites.
Manmade satellites, like the Earth, rotate from West to East. Communication satellites are placed in geostationary orbit above the equator with Zero inclination to the equatorial plane. To achieve this, the launch site should be ideally located on the equator or close to the equator.