Maulavi had allegedly made provocative speech and conducted road block a day after the Malayalam lecturer of a private college was brutally attacked on July 4, 2010 and his hand chopped off.
A look out notice had been issued against him.
Emigration officials informed the police when he arrived at the airport and he was taken into custody.
However, he was later let off as he had secured anticipatory bail.
T J Joseph, a Malayalam lecturer, who was under suspension for preparing a question paper with an objectionable reference to the Prophet, was attacked by a gang at Muvatupuzha in Ernakulam district and his right hand chopped off when he was coming back from church.
