Article History
Received: 16 July 2020
Accepted: 31 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: Ethical approval was not needed for this study as it was based on publicly available secondary data from four waves of the National Family Health Survey (NFHS). NFHS followed standardized procedures for data collection with ethical standards being compiled including informed consent obtained from respondents.
: Not applicable.
: The authors declare that they have no competing interests.