India, Jan. 5 -- Zomato CEO Deepinder Goyal's experimental "Temple" device has once again become a talking point online after a startup founder called it "wild and fascinating", even as doctors continue to question its scientific basis.

Goyal was recently seen wearing the device during a podcast appearance, reigniting conversation around his "brain blood flow experiment. Sharing a picture of the Zomato chief wearing the device on his left temple, Swapnil Srivastav, founder of Kidbea, wrote on X that the device, called Temple, tracks blood flow to the brain.

"Deepinder wearing a device called Temple to track blood flow to the brain and it's wild and fascinating," Srivastav said. He further explained Goyal's belief, saying that it is simp...