Smart Devices, Healthier Lives

India’s Wearable Tech Movement against Lifestyle Diseases

Col (Dr) Surendra Ramamurthy

Col (Dr) Surendra Ramamurthy

Chief Medical Officer & Founding Member, Nextcare.Life

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Col (Dr) Surendra Ramamurthy is a distinguished clinician and digital health visionary with over 40 years of experience in medicine and healthcare innovation. After retiring from the Indian Armed Forces in 2008 as a Senior Obstetrician and Gynecologist, he has led multiple HealthTech ventures across India. As the Chief Medical Officer and founding member of Nextcare.Life, he champions clinical decision support systems, wearable technology, and AI-powered wellness. He is passionate about transforming India’s health journey through digital-first, preventive care approaches.

Wearable health devices are fast becoming critical tools in India’s war against lifestyle diseases like diabetes, hypertension, and obesity. This article explores how wearable tech is revolutionising disease prevention, personalised care, and health engagement across urban and rural India, while also examining challenges, use cases, and the road ahead.

India's Silent Epidemic of Lifestyle Diseases

India’s economic growth has come with an invisible tax, an epidemic of lifestyle diseases. While infectious diseases dominated the public health narrative of the 20th century, today it is non-communicable diseases (NCDs) like diabetes, hypertension, ischemic heart disease, obesity, fatty liver disease, and stroke that dominate the nation’s health burden.

A recent study by ICMR revealed that 1 in 5 Indian adults is either diabetic or prediabetic, and 1 in 4 suffers from hypertension, often undiagnosed. What makes these diseases particularly dangerous is their slow onset and largely silent progression, people feel ‘fine’ until an irreversible complication strikes.

What India urgently needs is not more ICUs and Cath labs but tools for early detection, continuous monitoring, and lifestyle modification. This is where wearable health devices, from fitness trackers to continuous glucose monitors, are reshaping the way Indians engage with their own health.

Lifestyle Disease Burden in India

• 63% of all deaths in India are due to Non-Communicable Diseases (NCDs)
• India has 101 million people living with diabetes, and 136 million with pre-diabetes
• 230 million Indian adults have hypertension, but only 1 in 4 are aware, and only 1 in 7 are controlled
• 77% of urban Indians are sedentary, with physical inactivity contributing directly to obesity and cardiovascular risk

Wearable Tech in India: Market & Adoption

India is currently the fastest-growing wearable market in the world. In 2023 alone, the country shipped over 134 million wearable devices, marking a significant 37% year-over-year growth. Smartwatch shipments specifically saw an even sharper increase, growing by 48% in 2023 and surpassing basic fitness bands in popularity. Leading the Indian wearable market in the first quarter of 2024 are brands like Noise, which holds a 27% market share, followed by boAt at 23%, and Fire-Boltt at 20%. The average price of a smartwatch in India ranges between ₹1,700 and ₹3,000, making these devices globally affordable. Importantly, more than 85% of Indian wearable users engage with their devices primarily to track health or fitness metrics, rather than just checking the time or notifications.

Between 2021 and 2023, Indian companies investing in employee wellness programs grew by 45%. Organizations that integrated wearable devices into these programs observed a 21% drop in absenteeism and a 28% improvement in employee engagement. On the rural front, internet penetration has reached 38%, compared to 67% in urban areas, while over 700 million Indians now use smartphones, supported by expanding digital literacy initiatives. Looking ahead, the Indian wearable health market is projected to reach USD 8.3 billion by 2028, growing at a compound annual growth rate (CAGR) of 21%. By 2030, these advancements in preventive care and digital health interventions could help prevent as many as 2 million premature deaths annually in India.

The Rise of Wearable Tech in Health: A Global Trend with Indian Acceleration

Globally, the wearable health market is projected to reach USD 100 billion by 2027, and India is one of the fastest-growing segments in Asia. In the last five years, wearables in India have moved from luxury gadgets to mass-market health tools, especially in the urban middle class and increasingly in rural communities with smartphone access.

What started as step counters and calorie trackers are now advanced medical-grade devices offering:

• Real-time heart rate and HRV
• ECG and arrhythmia detection
• Blood pressure estimation
• SpO₂ and respiratory rate
• Continuous Glucose Monitoring (CGM)
• Body temperature and skin conductance
• Sleep stages and stress markers
• Smart menstrual tracking and ovulation prediction

These devices don’t just show raw data, they now interpret, predict, and nudge behaviour using AI-powered apps.

The Indian Context: A Unique Landscape for Adoption

Several unique factors make India a fertile ground for a wearables-led health movement:

1. Demographic Dividend: With over 60% of the population under 35, India has a digitally native, health-conscious youth.
2. Epidemiological Shift: NCDs now contribute to 65% of deaths in India, overtaking infectious diseases.
3. Mobile-First Population: Over 850 million smartphone users and falling data costs enable mobile-based health monitoring at scale.
4. Digital Public Infrastructure: The Ayushman Bharat Digital Mission (ABDM), Aadhaar, and UPI have created a foundation for interoperable health data.
5. Local Innovation: Indian startups like GOQii, Ultrahuman, beatXP, Breathe Well-being, and Dozee are innovating for Indian users at Indian price points.

Use Case 1: Managing Diabetes with Continuous Glucose Monitoring

India is home to over 77 million diabetics, with another 90 million people at high risk. While traditional finger-prick methods provide only occasional snapshots of blood sugar levels, continuous glucose monitors (CGMs) like FreeStyle Libre, Ultrahuman M1, and Abbott’s Libre Sense offer real-time glucose tracking every 15 minutes, around the clock. These devices provide valuable insights into how factors such as food, stress, and sleep impact blood sugar levels. They also enable personalized diet recommendations, help reduce episodes of hypoglycemia and medication errors, and promote behavior change through visible, continuous feedback.

Case Study:

Dr. Meera, a 42-year-old schoolteacher in Pune, used a CGM for 3 months via a corporate health program. She discovered morning tea with sugar was spiking her glucose unpredictably. With coaching support, she modified her diet and lost 7 kg, her HbA1c dropped from 7.8 to 6.2 in 4 months.

Use Case 2: Remote Hypertension Monitoring in Rural Karnataka

In collaboration with a government Primary Health Centre (PHC), a project in Tumakuru distributed low-cost smart blood pressure (BP) bands to 500 patients. Community health workers trained residents to sync these devices with a smartphone app that automatically uploaded readings to a central dashboard. The impact has been significant, with medication adherence rising to 74% from 46%, a 60% reduction in hypertensive crisis events, and fewer hospital visits, thereby reducing doctors’ workload. This decentralized, technology-enabled care model is now being scaled to three other districts.

Use Case 3: Corporate Wellness in Action

Large Indian firms such as Infosys, TCS, Wipro, and HCL have begun integrating smart wearables into their employee wellness programs. Key initiatives include step-count competitions with incentives, stress and sleep tracking integrated with mental health platforms, and subsidized distribution of wearables tied to insurance benefits. For example, Wipro’s pilot project involving 1,200 employees demonstrated an 18% reduction in reported stress levels, a 15% decrease in sick leave usage, and improved engagement in preventive health checkups.

Behavioral Science Meets Health: The Real Power of Wearables

Wearables are not just medical devices; they are powerful behavioral intervention tools. Their true impact comes from making invisible health metrics visible and offering real-time feedback, such as alerts like “Your stress level rose after that Zoom call.” They also trigger dopamine rewards through gamification and drive consistency by reinforcing habit loops. Apps like GOQii take this a step further by combining wearable data with health coaches and rewards, creating a closed-loop behavioral health system that supports sustained wellness.

Integration with Clinical Decision Support Systems (CDSS)

Data is useless without interpretation. Platforms like Nextcare.Life are integrating wearable inputs with electronic health records (EHRs), lab results, prescription history, as well as symptom bots and triage tools. For example, a 56-year-old male’s wearable device might show persistent resting tachycardia, elevated nocturnal blood pressure, disturbed sleep, and high heart rate variability (HRV). The clinical decision support system (CDSS) flags these signs as potential early indicators of heart failure risk and recommends further tests before symptoms even appear. This exemplifies predictive, preventive health in action.

Mental Health Monitoring: The Next Frontier

Indian wearables are increasingly tracking emotional well-being by using heart rate variability (HRV) as a proxy for stress, sleep quality as a marker for mental health, and skin conductance and temperature to monitor mood. Additionally, advanced features like screen time analytics and AI-driven voice tone detection are being employed. Upcoming integrations include real-time burnout detection alerts, cognitive performance tracking during work, and AI-driven Cognitive Behavioural Therapy (CBT) nudges. These innovations are especially vital in a country where one in seven people suffers from a mental health disorder, and stigma around mental health remains high.

Challenges That Cannot Be Ignored

While promise abounds, serious challenges remain:

1. Accuracy Gaps: Budget devices lack clinical precision. Incorrect SpO₂ or ECG readings can cause panic or complacency.
2. User Drop-off: Many users stop engaging after novelty fades. Sustained use requires personalised nudging and coaching.
3. Health Literacy: Interpreting “heart rate variability” or “REM sleep” is beyond most users unless explained simply.
4. Data Privacy & Ethics: As wearables collect intimate health data, robust regulation under India’s DPDP Act is essential.
5. Cost Accessibility: Despite falling prices, many advanced devices are still out of reach for the bottom 60%.

Solving these issues will require industry-government-academic collaboration, especially in creating localised content, multilingual interfaces, and explainable AI.

Looking Ahead: Innovations on the Horizon

1. Non-Invasive Glucose Monitoring: Google, Apple, and Indian startups are racing to crack this game-changing tech.
2. Brainwave-Reading Wearables: Headbands and earbuds that measure attention span, fatigue, and emotional state for ADHD, anxiety, and meditation.
3. Solar-Powered Wearables: Designed for off-grid usage in rural India, enabling 24x7 monitoring without charging hassles.
4. Disease-Specific Wearables: COPD patches, wearable dialysis sensors, and fertility trackers personalised for Indian physiology.
5. Smart Pill Integration: Pills with ingestible sensors that communicate with wearable patches to monitor medication adherence.

Policy Push and Public Health Integration

The Indian government must recognize wearables as essential public health assets rather than luxury items. To support this, recommendations include providing subsidies or tax breaks for medical-grade wearables under health schemes, integrating wearables into Ayushman Bharat screening programs, collaborating with startups to run pilot programs in schools and Anganwadis, and incorporating wearable data into national digital health records for real-time monitoring. These measures would help democratize access to wearable technology and establish them as critical components of community health infrastructure.

Final Thoughts: Smart Use, Not Just Smart Devices

Wearables alone won’t fix India’s health crisis, but when intelligently integrated into clinical workflows, behavioral science, and public health systems, they hold great potential. This is not just about data; it’s about empowering individuals to better understand their bodies, take early action, and prevent suffering before it begins. India has the people, the technology, the urgency, and the will to make this happen. The time to act is now. Let’s ensure that every heartbeat, every step, and every night of good sleep is not just monitored but translated into a healthier life.

--AHHM Issue 70--