New Delhi, November 9, 2026 (Yes Punjab News)
Eternal founder Deepinder Goyal’s newly launched wearable device, Temple, has come under fresh scrutiny after clinical scientists questioned the scientific basis of its advertised capabilities and called for regulatory oversight. Goyal, meanwhile, has defended the product, maintaining that it is a fitness and AI device rather than a medical device.
Clinical scientists who reviewed the scientific material available on Temple’s website reportedly found no evidence demonstrating that the device measures what it claims. They argued that its sensors can capture heart rate and blood flow to the scalp through the temporal artery, but questioned whether this supports the broader claims being made about the wearable.
The device, priced at Rs 85,000, is worn on the side of the forehead and promotes two key metrics: BrainFlow, which tracks relative changes in brain circulation, and Entropy, a score ranging from 1 to 250 intended to indicate how hard the body is working.
Responding to the criticism, Goyal thanked doctors and social media users for their feedback, saying it had provided clarity on areas requiring better explanation. He also stressed that social media was not the regulator and said all necessary clearances would be obtained before making claims that require regulatory approval.
Goyal reiterated that Temple was designed as a fitness and AI product and was not intended to diagnose or prevent diseases or replace medical consultations.
He said BrainFlow was not the device’s primary purpose, describing the initial studies on the metric as among the first research findings emerging from the project.
Pre-orders for Temple opened on November 1, with deliveries expected to begin in approximately three months. Goyal had earlier led a $54 million funding round for the startup.
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