Question : Who among the following invented a device called PM 2.5 which when fitted near the silencer pipe in vehicles will curb air pollution?
Option 1: Debayan Saha
Option 2: Deepak Gupta
Option 3: Nikesh Arora
Option 4: Asha Sharma
Correct Answer: Debayan Saha
Solution : The correct answer is Debayan Saha.
Debayan Saha created the PM 2.5 gadget, which reduces air pollution when installed next to a vehicle's silencer pipe. An IIT-Kharagpur graduate has developed a tool called "-2.5" to combat the pollution that bears the same name to reduce vehicle pollution.
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