The Karnataka High Court will hear today AIADMK supremo Jayalalithaa's plea seeking immediate bail and suspension of her four-year sentence in an 18-year-old disproportionate assets case.

Bracing up for the anticipated entry of AIADMK supporters and leaders into the city from the Hosur border, the police have tightened security in and around the High Court and Parappana Agrahara Central Prison, where Jayalalithaa is lodged since September 27.

The High Court vacation bench had on October 1 deferred till bail pleas of Jayalalithaa and her close aide Sasikala and her relatives V.N.Sudhakaran and Elavarasi, who were also convicted in the case, to be taken by a regular bench after the end of Dussehra vacation.

Section 144 of the Cr.PC has been clamped within one km radius of the High Court and Parapanna Agrahara Prison, where Sasikala, Sudhakaran and Elavarasi are also lodged.