How hard is it shop for a few groceries? The majority of us may find this to be a trivial task. But, close to one billion people all over the world may find this an arduous one. Why? Because, unlike most of us, they live with long-term physical, mental, intellectual or sensory impairments.

New data gathered by researchers from University of Amsterdam (UvA), over a period of several years from slums across Bengaluru could help in understanding and tackling poverty in India.