The IPS officer, who has been identified as Gulshan Kumar, protested against the Chennai-based advocate accusing Mr Ghani of trying to jump a queue in the checking area.
Both Mr Kumar and Mr Ghani booked flight tickets of Air India. After the altercation, Mr Kumar lodged an official complaint against Mr Ghani. The airport police detained the advocate, though the IPS officer was allowed to fly.
Meanwhile, other advocates of Madras High Court showed a massive protest in front of Chennai airport police station over the arrest of Mr Ghani.