State Home Minister Ramesh Chennithala instructed the State DGP to observe special vigil in border areas against the background of the court verdict, an official release said.
Special Judge John Michael D'Cunha convicted the 66-year-old AIADMK Chief in a case of owning assets to the tune Rs 66.65 crores disproportionate to her known sources of income during 1991-96 when she was chief minister for the first time.