Which statements accurately reflect Mahendra Dev's poverty estimations in Kerala?
- Mahendra Dev's estimations covered the period from 1961-62 to 1986-87.
- His study utilized data from the National Sample Survey (NSS).
- Mahendra Dev's estimates show a significant decline in rural poverty by 1986-87.
- The study used a poverty line of Rs. 15 per capita monthly consumption expenditure at 1970-71 prices.
Ai, ii
BAll
Cii, iii
Di, ii, iii