How did India’s national health programmes contribute to increased longevity?

Programmes by successive government such as the National Health Mission, Ayushman Bharat and Poshan Abhiyaan, alongiside a focus on education and development have helped the country reach a life expectancy of 72 years, up from 58.6 in 1990

How did India’s national health programmes contribute to increased longevity?
Programmes by successive government such as the National Health Mission, Ayushman Bharat and Poshan Abhiyaan, alongiside a focus on education and development have helped the country reach a life expectancy of 72 years, up from 58.6 in 1990