Police have recovered from him fake documents, Rs 45,000 in cash, four mobile phones and a diary with phone numbers of IAS, IPS officials, Court Judges and secretaries.
An official press release here said investigation revealed that the man posing as Justice N Dinakaran, had spoken to AIADMK MP V Maithhreyan four times since Jan 2011. He discussed the case and demanded several crores of Rupees to give a favourable order.
Police said they had recorded his confessional statement and had checked details with the MP.
The man also posed as High Court Judge or district judge and had spoken to top police officials, seeking transfers of some people.
The release said he was arrested and remanded in a cheating case in 2008 and suspended, which was revoked after six months.
He was arrested yesterday on a complaint from a man, who stated that he had taken money from him, assuring him of a job in a local court.
Investigations revealed that he used the names of many serving and retired judges with senior officers in the police department and secretariat at Chennai.