104 million

According to Population Census 2011 there are nearly 104 million elderly persons (aged 60 years or above) in India; 53 million females and 51 million males. A report released by the United Nations Population Fund and HelpAge India suggests that the number of elderly persons is expected to grow to 173 million by 2026.

https://vikaspedia.in/social-welfare/senior-citizens-welfare/senior-citizens-status-in-india#:~:text=According%20to%20Population%20Census%202011,to%20173%20million%20by%202026.