India, Jan. 7 -- In the quest for eternal youth, tech billionaires are increasingly turning to experimental gadgets, but medical experts are now pushing back. Dr Rahul Chawla - a neurologist trained at AIIMS, New Delhi, consultant neurologist at IBS Hospital, Lajpat Nagar, and founder of HealthPil.com - criticised Zomato CEO Deepinder Goyal for wearing 'Temple' device during a recent podcast, labelling the move a 'ridiculous experiment' fuelled by an 'obsession with longevity'. Also read | Startup funder praises Deepinder Goyal's Temple device, calls it 'wild and fascinating'

Deepinder - founder and CEO of Eternal, the parent company of Zomato, Blinkit, District, and Hyperpure - appeared on Raj Shamani's Figuring Out interview on January...