Jailed for their role in the assassination of the former PM for more than 30 years, the three left by a Sri Lankan aircraft from Chennai to Colombo at 10am on Wednesday.
Santhan, one of the released convicts, recently died of liver-related complications as necessary clearance was being processed for his travel back to Sri Lanka
While hearing a petition filed by Rajeshwari on September 2, the Madurai Bench of Madras High Court directed the Tamil Nadu government to consider granting parole within six weeks.