Coastal Care, a non-profit foundation dedicated to defending the beaches and shorelines of our shared planet, has a feature (along with photos) on the erosion along the Pondicherry/Tamil Nadu coastline.
The story can be seen here: http://coastalcare.org/2010/08/pondicherry-tamil-nadu-south-india/
Coastal Care highlights similar problems with beach erosion in other parts of the world.
Save Our Beach 