The Karnataka state of India has now banned Azaan through loudspeakers 

What happened: On April 25, Karnataka’s Chief Minister Basavaraj Bommai announced that there would be a strict implementation of a ban on Azaan through loudspeakers. A publication quoted the development as,  “The move is likely to add to the existing social unrest in the state.”  At the same time, Karnataka’s DG, CM, and IGP Praveen Sood had stated that everyone should follow the latest announcement.  Details: MMNews, further quoted the development as  “CM said instructions have been issued for resolving the Azaan issue harmoniously through holding peace committee meetings at the police station levels.”  On the other hand, another higher official of the Karnataka State is quoted as,  “There is a High Court order on Azaan. A circular has already been issued in accordance with that. The rule also specifies the decibel level.”  More: Subsequently, the IG Police, Parveen Sood, is quoted by a publication,  “We will not allow violation of the High Court rule at any cost. The police have issued notices across the state.”