D3Js maps!

An example covering a demo json and mouse over on each of the states.

http://techslides.com/responsive-d3-map-with-zoom-and-pan-limits/http://techslides.com/responsive-d3-map-with-zoom-and-pan-limits/

Lets make a map with Mike
http://bost.ocks.org/mike/map/

A good video Tutorial on the same
http://www.youtube.com/watch?v=lJgEx_yb4u0

Adding India Map in D3
http://bl.ocks.org/JohnCoogan/1531818#zcolorbrewer.css

http://stackoverflow.com/questions/18425440/displaying-map-using-d3-js-and-geojson

A simple D3Js map explained.
http://www.d3noob.org/2013/03/a-simple-d3js-map-explained.html

D3 Map of India on Mac
http://www.knowstack.com/d3-map-of-india/