Unsanitary conditions lead to more than 300,000 child deaths from diarrhoea in India every year. One-third of those, are caused by Rotavirus. Most of India’s poor don't have access to available vaccines, but now a lab in India's Telangana state has developed the first vaccine for the Rota virus made outside Europe or the US.Al Jazeera's Faiz Jamil reports from New Delhi.