Zomato's Deepinder Goyal Responds to Critics of Unreleased 'Temple' Health Device

2 min read     Updated on 09 Jan 2026, 04:25 PM
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Overview

Deepinder Goyal has defended Zomato's unreleased 'Temple' brain monitoring device against criticism from doctors and influencers. The Zomato co-founder emphasized that no commercial announcements have been made and official benchmarking data has not been released, with months of development work still remaining. Goyal called for critics to wait for official scientific data before making judgments and urged support for Indian startup innovation.

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*this image is generated using AI for illustrative purposes only.

Zomato co-founder Deepinder Goyal has issued a strong response to doctors and influencers who have been criticizing the company's upcoming 'Temple' health device. In a post on social media platform X, Goyal questioned the timing of such criticism for a product that remains unavailable to consumers.

Goyal's Response to Premature Criticism

Goyal directly addressed the critics in his social media post, stating: "You are advising people not to buy an 'unvalidated' device that isn't even available to order or pre-order yet. That's funny, tbh." The Zomato chief emphasized that such judgment appears premature given the product's current development status.

The entrepreneur outlined the current state of the Temple project, clarifying several key points about the device's availability and development timeline:

Development Status: Details
Commercial Announcements: None made publicly
Official Benchmarking Data: Not yet released
Timeline to Public Preview: Months away
Current Status: Significant work still underway

Call for Patience and Support

Goyal urged medical professionals and influencers to withhold their skepticism until the company provides official information about the device. "We will share all the science if and when we decide to sell Temple. You can judge and give all your advice at that moment. Until then, be curious, and cheer Indian startups?" he stated.

The Zomato founder acknowledged the value of expert skepticism while emphasizing the importance of timing, noting that such criticism would be more appropriate once official data becomes available.

About the Temple Device

The 'Temple' device was first introduced during Goyal's appearance on Raj Shamani's 'Figuring Out' podcast, where he was seen wearing the prototype. According to Goyal's previous explanations, the specialized health-tech device functions as a brain monitoring tool with specific capabilities:

  • Measures blood flow in the brain
  • Operates similar to a "miniaturised" MRI
  • Designed to help users monitor brain health
  • Linked to maintaining better health through improved brain blood flow

Goyal had previously explained that the device connects to the Gravity Aging Hypothesis, which proposes that gravity reduces blood flow to the brain, potentially contributing to the aging process. The entrepreneur suggested that activities aimed at keeping "brain flow up" could help individuals feel better and maintain healthier lives over time.

Industry Context

The exchange highlights the challenges faced by Indian startups when developing innovative health technology products. Goyal's response reflects the tension between maintaining scientific rigor and supporting domestic innovation in the competitive health-tech sector.

The Zomato co-founder's call for patience underscores the importance of allowing companies to complete their development processes and provide comprehensive data before facing public scrutiny. His emphasis on supporting Indian startups suggests a broader conversation about fostering innovation in the country's technology ecosystem.

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Deepinder Goyal Addresses Medical Criticism Over Temple Brain Monitoring Device

2 min read     Updated on 09 Jan 2026, 03:32 PM
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Reviewed by
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Overview

Zomato CEO Deepinder Goyal has addressed criticism from medical professionals regarding his experimental Temple brain monitoring device. Goyal clarified that no commercial announcements have been made and the company is months away from releasing preview devices. The device, which monitors brain blood flow and is based on Goyal's ₹225 crore investment in the 'Gravity Ageing Hypothesis', has faced scrutiny from doctors who question its scientific validity and effectiveness.

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*this image is generated using AI for illustrative purposes only.

Zomato CEO Deepinder Goyal has broken his silence regarding mounting criticism from medical professionals over his experimental health monitoring device called Temple. In a social media post on January 9, Goyal addressed concerns raised by doctors and influencers about the wearable brain monitoring technology.

Goyal's Response to Critics

In his post titled "Gentle reminder to all the concerned doctors and/or influencers", Goyal emphasized that no official announcements have been made regarding the Temple device. He clarified the current development status:

Development Status: Details
Public Announcements: None made yet
Benchmarking Data: Not released officially
Preview Device Timeline: Months away from public introduction
Commercial Availability: Not available for order or pre-order

Goyal expressed amusement at critics advising against purchasing what he described as an "unvalidated" device that isn't currently available for purchase. "You are advising people not to buy an 'unvalidated' device that isn't even available to order or pre-order yet. That's funny," he wrote.

About the Temple Device

The Temple device gained public attention when Goyal was spotted wearing it during an appearance on Raj Shamani's YouTube podcast. The experimental device is designed to continuously monitor blood flow in the brain in real-time. Key specifications of the device include:

  • Design: Small sensor in gold or silver color
  • Placement: Worn near the temple area
  • Function: Monitors brain blood flow as a marker of neurological health and aging
  • Investment: ₹225 crore from Goyal's personal funds
  • Research Basis: Goyal's 'Gravity Ageing Hypothesis'

Medical Professional Criticism

Several prominent medical professionals have voiced concerns about the Temple device and its scientific foundation. The criticism has come from multiple healthcare experts:

Critic: Position Key Concerns
Dr Cyriac Abbey Philips (The Liver Doc): Medical Professional Described theory as "ancient, already debunked"
Dr Rahul Chawla: Neurologist, AIIMS-trained Called it a "ridiculous experiment"

Dr Philips criticized Goyal for promoting what he termed an "ancient, already debunked gravitational theory of ageing" to market a wellness product. He compared the device to "a fat band-aid stuck to the temple" and warned against misinformation being branded as wellness innovation.

Dr Chawla, a consultant at IBS Hospital in Lajpat Nagar and founder of HealthPil.com, expressed concerns about the device's effectiveness. He noted that while the device may pick up signals from the temple area related to surface blood flow or pulse changes, measuring actual blood flow inside the brain requires far more complex technology. "In medical science, even advanced tools like MRI and specialised research equipment have their limits," he stated.

Future Plans and Transparency Commitment

Goyal assured that complete scientific data will be shared if and when the company decides to commercialize Temple. He encouraged medical professionals to reserve judgment until official data becomes available, stating: "We will share all the science if and when we decide to sell Temple. You can judge and give all your advice at that moment."

The CEO also called for support of Indian startups while acknowledging the value of medical skepticism when applied at appropriate times. He emphasized that substantial work remains underway before any public release of preview devices.

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