Jayalalithaa and other three have been found guilty as they are convicted in accumulating Rs 66 crore wealth disproportionate to known sources of her income from 1991-96 in her first term as Chief Minister.
Follow the timeline of the 18-year-old case:
1996 - A first information report (FIR) was registered against Jayalalithaa for having disproportionate assets known to her source of income.
1997 - The court frames charges against four: Jayalalithaa, VN Sudhakaran, VK Sasikala and J Illaarasi.
2002 - Jayalalithaa becomes chief minister again. Several witnesses turned hostile.
2003 - DMK leader K Anbazhagan urges the Supreme Court to shift the case out of Chennai. The apex court orders shifting of the case to Bangalore where a special court was set up.
2010 - Trial in the disproportionate assets case begins in a serious manner.
2011 - AIADMK back in power and Jayalalithaa becomes chief minister of Tamil Nadu.
2011 - Jayalalithaa appears before the trial court and answers over 1,300 questions.
2012 - Supreme Court clears the appointment of G. Bhavani Singh as the special public prosecutor.
2012 - John Michael Cunha appointed as the special court judge.
2014 - Conclusion of trial and judgment day was initially fixed for Sep 20. The date was postponed to Sep 27 at Jayalalithaa's request citing security reasons.
2014 - Tamil Nadu Chief Minister J. Jayalalithaa held guilty of amassing assets disproportionate to known sources of her income during 1991-96.