The officials said several "incriminating" documents have been seized during the searches, which reveal the "large-scale conversion" allegedly carried out by Umar Gautam and his organisations across India.
Maulana Kaleem Siddiqui was arrested by the ATS, which is probing the racket, at around 9 pm on Tuesday from Meerut, Additional Director General (ADG), Law and Order, Prashant Kumar said.
