Former Comptroller and auditor general of India(CAG) chief Vinod Rai in his report in 2010 had said the scam had cost the Union exchequer Rs 1.76 lakh crore.
Apart from Kanizmozhi, the Enforcement Directorate(ED) had named DMK supremo M Karunanidhi's wife Dayalu Ammal an accused in the case in which it had alleged that Rs 200 crore was paid by Swan Telecom (P) Ltd (STPL) promoters to DMK-run Kalaignar TV.
DMK leader Kanimozhi was sent to Tihar Jail in the 2G scam case in 2011 but she got bail later.
In its final report, the ED named 10 individuals and nine companies as accused and listed had filed chargesheet under the Prevention of Money Laundering Act.
Others acquitted in the case were former telecom secretary Siddharth Behura, Raja's erstwhile private secretary R K Chandolia, Swan Telecom promoters Shahid Usman Balwa and Vinod Goenka, Unitech Ltd MD Sanjay Chandra and three top executives of Reliance Anil Dhirubhai Ambani Group (RADAG) -- Gautam Doshi, Surendra Pipara and Hari Nair.
Directors of Kusegaon Fruits and Vegetables Pvt Ltd Asif Balwa and Rajiv Agarwal, Kalaignar TV director Sharad Kumar and Bollywood producer Karim Morani are also acquitted in the case.
Besides them, three telecom firms - Swan Telecom Pvt Ltd (STPL), Reliance Telecom Ltd and Unitech Wireless (Tamil Nadu) Ltd -- were also accused and acquitted in the case.
A special court today acquitted all accused in the 2G scam case (WION)