India, Aug. 23 -- At 59, Ashu Jain is not the grandmother many imagine. The Dehradun mother-of-three does not spend her days knitting or babysitting grandkids. She deadlifts in the gym, does Zumba and competes in endurance races. A contestant on MTV Roadies Season 20, she describes herself as a 'hybrid athlete grandmother' - and is making a case for what fitness can look like later in life. Also read | 91-year-old woman proves fitness has no expiration date: 'I go for a swim, yoga, Pilates and walk 12000 steps daily'

Ashu's path to redefining what late 50s life looks like began at age 44 when her children encouraged her to resume her education. She earned her MTech from Jamia Millia Islamia, followed by a PhD from IIT Delhi at 53. That s...