بسم الله الرحمن الرحيم
(Fatwa: 1282/877/L=11/1434)
It is makrooh tahrimi to go out of mosque after azan. Hence the practice of the said imam to address in three mosques and in last lead the salah with Khutbah is not correct. He should only address in the mosque where he leads the salah.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
