According to the National Health Profile (CBHI, 2019), about 37.2% of the population was covered by any health insurance in 2017-18, while 62.8% of the population remain uninsured. Of those insured, 78% were covered by public insurance and the rest by private insurance  (CBHI, 2019).

References:

Central Bureau of Health Intelligence (CBHI). (2019). National Health Profile. Ministry of Health & Family Welfare, Government of India. Available from http://www.cbhidghs.nic.in/showfile.php?lid=1147