Allahabad HC takes suo moto cognizance of noise pollution caused by modified bikes Allahabad HC takes suo moto cognizance of noise pollution caused by modified bikes The Allahabad High Court on Tuesday took suo moto cognizance of noise pollution caused by modified bikes, especially bullet bikes. advertisement UPDATED: July 21, 2021 05:49 IST The Allahabad High Court on Tuesday took suo moto cognizance of noise pollution caused by modified bikes, especially bullet bikes. (Photo: File) The Lucknow bench of the Allahabad High Court on Tuesday took suo motu cognizance of noise pollution caused by modified bikes, especially bullet bikes. Justice Abdul Moin made observations with reference to the silencers of two-wheelers, especially bullets and other new era two-wheelers, which speed through the streets of the state.