"Now CBI is not a caged parrot. It is now captive of BJP," Congress' communication department chief Randeep Surjewala told reporters as the party strongly backed Chavan, who had to resign as chief minister after the scam surfaced in 2010.
Alleging that CBI is acting under "pressure from its political bosses", he said there is a history of the BJP government targeting Congress leaders and Chief Ministers ever since it came to power.
Chavan, who is now the Maharashtra PCC chief, said he was being "targetted" as he tried to expose the "misdeeds" of the BJP-led government in the state.
"This is cent percent political vendetta. Under a conspiracy, Congress leaders across the country are being targetted. There is no merit in these allegations. When the previous Governor has refused sanction for prosecution after examining the matter, why all of a sudden CBI again wants to go ahead with it.
CBI had approached Governor Vidyasagar Rao after it got "fresh evidence" against Chavan in the case.
In December 2013, the then Governor K Sankaranarayan had refused sanction to CBI to prosecute Chavan in the Adarsh housing scam, leaving the agency with no choice but to close the case against him.