NIC Projects such as VSAT Locations, Land Records, Treasury, Registration, Court, Excise, Agmark- Net, DAC-Net, Personnel implemented/ongoing/Initialized/not started status will be available in below said link
click on GIS Info of NIC projects
Click on National level atlas which shows availability of roads, railways, airport, etc .,
click on National Atlas of infrastructure facilities
List of cencus codes availability as per census 2001 are available in following links
click on Census code