India will be world's 3rd largest economy by 2050: Lancet

India's economy will be the world's third largest by 2050, and continue in the position till 2100, according to a study in medical journal The Lancet. The study poises India to be fourth largest by 2030, taking 2017 as base year when India was the seventh largest. The study translated working age population of countries into scenarios for total GDP.