A nurse prepares a breast cancer patient before a Gama-ray test at the Cancer Centre Welfare Home and Research Institute in Kolkata March 16, 2012. A ruling this week that for the first time allowed an Indian drugmaker to make and sell a blockbuster cancer drug at a fraction of the market price has been hailed as a breakthrough by campaigners for cheaper medicine in the emerging economy. To match Insight INDIA-DRUGS/CANCER Photo taken March 16, 2012. REUTERS/Rupak De Chowdhuri (INDIA - Tags: HEALTH DRUGS SOCIETY BUSINESS POVERTY)