IIT Delhi Showcases Cutting-Edge Research: From Understanding Depression To Producing Green Hydrogen
New Delhi: The Indian Institute of Technology (IIT) Delhi recently opened its doors for a unique exhibition, showcasing groundbreaking research innovations that highlight the future of scientific and engineering capabilities in India. The exhibition featured a diverse array of projects, including advancements in healthcare, biotechnology, artificial intelligence, data science, quantum technologies, sustainable infrastructure, and Industry 4.0.
Highlights of the Exhibition
Among the many impressive displays, two projects stood out significantly: one focused on the neuroscience of depression and the other on sustainable hydrogen generation using advanced materials. These initiatives exemplify IIT Delhi’s commitment to addressing urgent societal challenges through technology, innovation, and human-centered research.
Decoding Depression: Understanding Brain Functioning
Led by Professor Varsha from the Department of Cognitive Science, a team of PhD researchers is exploring the neurological basis of mental health, particularly focusing on depression and emotional awareness. Professor Varsha emphasized the social urgency of this research, noting the alarming rates of depression and suicide among students on campus.
“We aim to understand how depression arises in the brain and how thoughts occur,” she explained. The research seeks to connect subjective mental states with objective biological markers, moving beyond traditional self-reported questionnaires that can be biased.
Innovative Research Methodology
The team employs non-invasive brain imaging techniques to study variations in brain activity among individuals. “We measure brain activity in a non-invasive manner to differentiate between depressed and non-depressed participants,” Professor Varsha stated.
One of the key technologies used is functional near-infrared spectroscopy (fNIRS), which allows real-time observation of brain oxygenation levels. This method provides insights into how cognitive load affects brain activity, with applications extending beyond clinical settings.
Real-Time Demonstration
During the exhibition, a PhD student demonstrated the fNIRS system by asking a participant to perform mental arithmetic tasks while tracking changes in brain oxygen levels. The results showed clear fluctuations in brain activity corresponding to the cognitive demands of the tasks.
“The more demanding the task, the stronger the activity pattern,” the researcher noted. This capability enables comparisons of brain responses between healthy individuals and those experiencing depression, shedding light on emotional sensitivity and cognitive processing differences.
Gender Differences in Depression
Professor Varsha’s previous studies suggest significant gender differences in emotional processing. “Women are twice as likely to experience depression as men,” she noted, explaining that these differences could lead to personalized diagnostic tools and targeted therapies.
Green Hydrogen: A Sustainable Energy Solution
Just a few booths away, another innovative project was on display. Under the guidance of Professor Samir Sapra, PhD student Sagar showcased a setup for water splitting and CO₂ electrochemical reactions, aimed at producing clean hydrogen fuel more efficiently.
Innovative Hydrogen Production
“We synthesize materials that can generate hydrogen at lower potential but with a good current density,” Sagar explained. The setup consists of an electrochemical cell divided into two compartments, where hydrogen gas is generated in one compartment and oxygen evolves in the other.
Hydrogen fuel is often regarded as the future of clean energy due to its only by-product being water. However, current production methods are expensive and energy-intensive. The IIT Delhi team is working to develop novel catalysts and photoactive materials to reduce the energy required for water splitting.
Challenges and Innovations
“Most of the fuel we use comes from fossil sources, which emit pollutants and CO₂. Hydrogen, on the other hand, burns to form only water,” Sagar stated. The challenge lies in making hydrogen production cost-effective and sustainable.
Future Prospects
Sagar’s research also explores semiconductor materials that convert sunlight directly into electrical or chemical energy, further enhancing the potential for clean energy solutions. The ongoing research at IIT Delhi aims to revolutionize hydrogen production, making it a viable alternative to fossil fuels.
Conclusion
The exhibition at IIT Delhi not only showcased the institute’s commitment to addressing pressing societal issues but also highlighted the innovative spirit of its researchers. From understanding the complexities of depression to pioneering sustainable energy solutions, IIT Delhi is at the forefront of scientific advancement in India.
Note: The information presented in this article is based on the exhibition held at IIT Delhi and reflects ongoing research efforts as of November 2025.
