India's rural innovators have proved that ordinary people are indeed capable of extraordinary inventions. Despite many constraints -- lack of education and severe cash crunch -- most of them have succeeded in using technology cost-effectively to build ingenious products. A washing-cum-exercise machine, hand operated water lifting device, portable smokeless stove, automatic food making machine, solar mosquito killer, shock proof converter, a floating toilet soap are few of the products on display...

As we celebrate World Earth Day on April 22, meet some inspiring eco-warriors who give back to earth through friendly tourism practices.  Responsible tourism is the desire to respect the very wonders that make us leave our moorings to see new, faraway places. “You can't leave this place till you plant a sapling in our organic garden.” “This is the solar panel that heated your bath water this morning.” “We don't have...