The Indian government has invested £1.2bn to kick start rural healthcare in its most populous northern state, Uttar Pradesh. Much of that money has now disappeared, and the programme is blighted by corruption and murder. Harriet Vickers hears the details. Also this week, the UK's Department for International Development has to make decisions on sometimes scant evidence. We find out how DFID is trying to improve research into aid programmes. See also How free healthcare became mired in corruption and murder in a key Indian state Effectiveness of agricultural interventions that aim to improve nutritional status of children: systematic review