As per the WHO estimates, it is estimated that around 63 million (6.3%) people have significant auditory impairment in India (Garg et al., 2009).

References:

Garg, S., Chadha, S., Malhotra, S., & Agarwal, A. K. (2009). Deafness: Burden, prevention and control in India. Natl Med J India, 22(2), 79-81.