The correct option is C Poverty line
Poverty line represents the minimum level of income required to satisfy our basic needs like food, shelter, education, healthcare, and clothing.
According to data from 2011–12, people who spend less than ₹816 per person per month in rural areas for their consumption are considered as poor in India. Similarly, people who spend less than ₹1,000 rupees per person per month for consumption in urban areas are considered as poor.