Motihari: A person hailing from East Champaran district of Bihar has invented a generator silencer which would not only help in decreasing the sound level but will also reduce the level of carbon ...
Virendra Kumar Sinha, a resident from East Champaran district has inveneted a generator silencer which would be helpful in keeping environment clean. MOTIHARI (Bihar): A person hailing from East ...
A person from East Champaran district of Bihar has invented a generator silencer which not only helps reduce the sound level, but also reduces the level of carbon emission. Virendra Kumar Sinha, a ...
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