Some of the inspiring talks from Indian point of view

[sachin]

Showing how one can make a difference
http://www.ted.com/talks/kiran_bir_sethi_teaches_kids_to_take_charge.html

Showing how low cost works
http://www.ted.com/talks/thulasiraj_ravilla_how_low_cost_eye_care_can_be_world_class.html

Showing how the indigenous technology rocks.
http://www.ted.com/talks/anupam_mishra_the_ancient_ingenuity_of_water_harvesting.html