The high court said that an amendment in the Act does not apply to the offences already taken place and the one in this case would not come to the rescue of the acquitted accused in this appeal.
In its appeal filed before the Delhi High Court in March this year, the CBI said Special Judge O.P. Saini "had not applied his mind" while delivering his verdict.
The Central government has appointed Additional Solicitor General Tushar Mehta as the Special Public Prosecutor for cases related to the 2G scam.
2G scam case: CBI likely to challenge acquittal of A Raja, Kanimozhi, others next week before Delhi High Court
The CBI is likely to file an appeal before the Delhi High Court against the acquittal of all the accused individuals and entities in the 2G scam case next week.
Chief Justice of India Dipak Misra on Wednesday recused from hearing the Aircel-Maxis case and sent the case to another Supreme Court bench hearing the 2G scam case.
Former telecom minister A Raja, DMK MP Kanimozhi and all other accused were recently acquitted by a special court in the 2G spectrum scam case.
The Dravida Munnetra Kazhagam (DMK) leaders Kanimozhi and A Raja, who were acquitted in 2G spectrum allocation scam case, were accorded grand welcome in Chennai on Saturday.
The DMK was a key partner in the UPA-I government from 2004 to 2009, when Raja held the telecom portfolio, and till 2013 in the UPA-II regime.
All accused in the 2G spectrum allocation scam cases - including former telecom minister A Raja and DMK MP Kanimozhi - were, earlier on Thursday, acquitted by a Special CBI court.
The BJP led a "sinister campaign" to malign the Congress and after 2G verdict yesterday, the false propaganda has been exposed, Nirupam alleged.
The ED said that the acquittal by the court in PMLA prosecution by interpreting the term criminal activity to the extent of commission of an offence appeared to be erroneous.
The Samajwadi Party demanded that the government explore the options to summon former Comptroller and Auditor General Vinod Rai before Parliament.
Tamil Nadu's ruling AIADMK today said the verdict acquitting former telecom minister A Raja and DMK Rajya Sabha MP K Kanimozhi in the 2G spectrum scam case was "not final".
The CBI today received a backhanded compliment from a special court here for filing a "well choreographed charge sheet" containing incorrect facts about the2G spectrum case.
Special public prosecutor Anand Grover today came in for sharp criticism from the special court which said the quality of prosecution in 2G cases had "totally deteriorated".