New Delhi: In a significant move, Delhi government's Anti-Corruption Branch (ACB) has "reopened" the alleged 2002 CNG fitness scam of Rs 100 crore in which three top officials of Sheila Dikshit government were under scanner.

"The ACB is reopening the 2002 CNG Fitness Scam in which top three babus, who had worked under Sheila Dikshit government, are under scanner," top government sources said.

They said that ACB had registered a case in 2012 into the alleged 2002 CNG Fitness scam, which runs into Rs 100 crore.

"During the AAP's previous 49-day stint, Arvind Kejriwal had said that all documents would be provided to CBI after the probe agency sought some documents pertaining to the scam.

"But, the case probe got stuck as Kejriwal government resigned," they said, adding that as elected government is now in place in the capital, ACB would probe the matter thoroughly.

The sources claimed that the probe was stalled due to inability to get permission to question the officials.

The Aam Aadmi Party had, in December last year, raked up the issue of the CNG fitness scam of 2002 and attacked the "continuing silence" of the central government and Delhi Lt Governor Najeeb Jung on the alleged indictment of top bureaucrats in the city government by CBI.