New Delhi, Sept. 25 -- Sabeer Bhatia, the cofounder of Hotmail, has revealed how he maintains his health and fitness at the age of 57.

Best known for revolutionising e-mail in the 1990s, Bhatia is now drawing attention for his disciplined approach to diet and exercise, which he says helps him stay "disease-free."

In a recent Instagram video, Sabeer Bhatia explained that his regime centres on periodic fasting. Unlike a complete water-only fast, he practises what he describes as "reduced-calorie" fasts that last for five days at a time.

He wrote on Instagram, "Fasting isn't just a trend, it's a choice for a better life. Reduced calories, better sleep, clean eating, and daily discipline. Start focusing on your health (sic)!"

During these...