Congress leader Digvijaya Singh said on Saturday the special task force probing the Madhya Pradesh examination and recruitment scam has failed to initiate action despite his providing "evidence" implicating chief minister Shivraj Singh Chouhan.
Singh made the allegation in a letter to the high court-appointed special investigation team (SIT),which is monitoring the investigations by the STF.
Singh has been leading a renewed Congress attack on the BJP government and the chief minister over the multi-layered scam, related to alleged manipulation in recruitment of candidates for government jobs and irregularities in examination for selection to different courses.
The scam took place in the MP professional examination board, also known by its Hindi acronym Vyapam.
In the letter, addressed to the SIT chairman, Singh said that despite "evidence" of tampering in an excel-sheet recovered from a former PEB official, no action has been taken by the STF against Chouhan and "officials of the Indore police who facilitated the transaction of tampering/destruction of evidence".
Singh alleged that Chouhan's name had figured repeatedly in the excel-sheet seized but was later "struck out".
Singh had claimed that the words 'CM' was written at 48 places in the original excel-sheet, but it was tampered with and the word was either changed or deleted.
In his letter, Singh said delay in registering offences "despite credible information of cognizable offences, is against the law of the land".
Chouhan has repeatedly rubbished the allegations. Governor Ram Naresh Yadav is also named in an FIR related to the scam.