Deepinder Goyal says Temple, his temple-worn health wearable, has shrunk to less than half its earlier size, with pre-orders opening soon and shipping before the end of 2026. The price, the specifications and the sensing method all stay undisclosed. Named Indian neurologists say the device's central claim still awaits published evidence.

PV Sindhu was seen wearing Temple, a brain blood flow tracking device developed by Zomato cofounder Deepinder Goyal, during the BWF World Championships 2026 in New Delhi.

Deepinder Goyal revealed his experimental Temple wearable is now significantly smaller. This device tracks cerebral blood flow and neurological markers. The company plans to…