[kirubakaran]

[From the link in the another comment I have posted here]

For visualizations of the new Aster topographic data, visit: http://www.nasa.gov/topics/earth/features/20090629.html

Data users can download the Aster global digital elevation model at: https://wist.echo.nasa.gov/~wist/api/imswelcome and http://www.gdem.aster.ersdac.or.jp