"Happy Birthday Amma… ♥️♥️ Miss you more than words can say," Mahesh wrote on Instagram.
Mahesh shared a throwback image of himself with his mother on the social media platform.
Mahesh's wife Namrata Shirodkar also shared a monochrome image of her mother-in-law and wrote: "Celebrating you in spirit, today and always."
Indira Devi died in 2022.
She was 70.