Assam Inventor Repurposes Plastic Waste into Solar Flood Warning Markers
Abhijit Dowarah developed a low-cost solar device from discarded bottles to mark submerged drains during Assam's monsoon season. The Sivasagar native has created over 50 waste-based inventions to improve public safety and community resources.
Key takeaways
- Abhijit Dowarah built a low-cost solar marker to warn of open drains hidden under floodwater.
- The device uses a daytime reflector and an automatic nighttime light to alert pedestrians and drivers.
- Dowarah has created over 50 products from waste, including mobile charging stations and animal shelters.
Addressing the Monsoon Hazard
During the annual monsoon season in Assam, rising waters frequently mask lethal infrastructure failures. Submerged open drains and deep potholes become invisible traps for pedestrians and motorists alike. To mitigate these risks, 38-year-old Abhijit Dowarah of Sivasagar has engineered a warning system designed to identify hidden hazards beneath murky floodwaters.
The Mechanism of the Device
Constructed primarily from repurposed plastic bottles and affordable components, Dowarah’s invention serves as a permanent visual signal. The device utilizes a reflector to catch sunlight during daylight hours, ensuring submerged dangers are visible. As evening falls, an integrated sensor automatically activates a solar-powered light, providing a continuous warning to anyone navigating waterlogged streets.
Key Facts
- Inventor: Abhijit Dowarah, an Arts graduate and self-taught innovator from Sivasagar, Assam.
- Materials: Used plastic bottles and low-cost solar components.
- Functionality: Features a daytime reflector and an automatic nighttime solar lamp.
- Portfolio: Dowarah has produced more than 50 inventions from recycled waste, including dog shelters made from old televisions.
- Mobility: During recent floods, he modified his motorcycle to serve as a mobile solar-powered phone charging station for the community.
Background
Dowarah’s approach to innovation focuses on practical utility rather than high-cost technology. His previous work includes a wearable navigation aid for the visually impaired and animal shelters constructed from discarded electronics. This latest safety marker was born from the specific need to prevent drowning and injury in flood-prone zones where infrastructure often vanishes under seasonal rainfall. Dowarah now seeks broader implementation of these markers across vulnerable regions to reduce preventable accidents.
Source: The Better India
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