Home » The per capital income of India from 1950 to 1990 is four times. This study is Research Methodology MCQs The per capital income of India from 1950 to 1990 is four times. This study is September 30, 2022 87 Views Q. The per capital income of India from 1950 to 1990 is four times. This study is SocialFactorialHorizontalLongitudinal Answer: Longitudinal