(a) The two common methods to measure poverty lines are
(i) Consumption method Determining the poverty line in India is based on the desired calorie requirement.
The accepted average calorie requirement in India is 2400 calories per person per day in rural areas and 2100 calories per person per day in urban areas.
(ii) Income method For the year 2012, the poverty line for a person was fixed at 816 per month for the rural areas and 1000 for the urban areas.
(b) National Sample Survey Organisation (NSSO) conducts sample surveys to estimate poverty lines.