A study indicates that overall the proportion of households with catastrophic health expenditure “increased 1.47-fold between the NSS 1993–1994 and 2011–2012 expenditure surveys, and 2.24-fold between the NSS 1995–1996 and 2014 utilization surveys” (Pandey et al., 2018).

References:

Pandey, A., Ploubidis, G. B., Clarke, L., & Dandona, L. (2018). Trends in catastrophic health expenditure in India: 1993 to 2014. Bulletin of the World Health Organization, 96(1), 18–28.