Who among the following invented a device called PM 2 5 which when fitted near the silencer pip...........

Static GK (CPO) Science & Technology

Who among the following invented a device called PM 2.5 which when fitted near the silencer pipe in vehicles will curb air pollution?

Nikesh Arora

Asha Sharma

Debayan Saha

Deepak Gupta

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Explanation:

- Option 1: Nikesh Arora is not known for inventing a device related to curbing air pollution. He is a business executive, known for his leadership roles in various companies.

- Option 2: Asha Sharma is not linked with inventions related to vehicle pollution, at least in the public domain or any well-known context.

- Option 3: Debayan Saha is credited with inventing a device called PM 2.5, which can be attached near a vehicle's silencer pipe to reduce air pollution. This innovation is aimed at addressing the critical issue of urban air pollution.

- Option 4: Deepak Gupta does not have a publicly recognized connection to such an invention related to air pollution and vehicles.