A scientist working at an Indian health major has won a USD 100000-grant from the Bill and Melinda Gates Foundation for developing next-generation condoms using polyester raw material as an eco-friendly alternative to conventional prophylactics. Lakshminarayanan Ragupathy of HLL Lifecare Limited has won the grant for the project among 50 ideas selected as a part of the Grand Challenges Explorations (GCE) Round-12 funded by the Foundation company's Chairman and Managing Director M Ayyappan said in a statement today. Commenting on the award Ragupathy who works at HLL's state-of-the-art Corporate R&D Centre said it would be his endeavour to develop extremely