Thanga Kolanjinathan, an advocate affiliated to the AIADMK had allegedly put up a banner at nearby Thittakudi, criticising Cunha's judgement.
He had alleged that "justice had lost and injustice won," in the wealth case. He had also strongly criticised the political rivals of AIADMK, including DMK chief M Karunanidhi.
Cases were registered against the advocate under various sections of the IPC, the Tamil Nadu Open Places (Prevention of Disfigurement) Act, and another Act, Inspector of Thittakudi Town K Sudhaker told PTI.