The data that has been represented on this site, has been referenced from the following official Indian registries, which are subsets of the National Cancer Registry Programme:
Three Year Report of the Population Based Cancer Registries 2009 - 2011.
Consolidated Report of the Hospital Based Cancer Registries 2007 - 2011.
On the left, you can click the individual cities, to know the cancer statistics related to those cities, or you could click the last link, for a global comparison. For each city, the following points have been discussed, to highlight the problem of breast cancer in India:
Incidence of breast cancer in that city. Incidence means, the numbers of cases reported in a particular period, usually a year.
Age distribution. This tells us the common age groups of breast cancer
Trends over last few decades. This will show how the numbers are rising