State Congress President MM Hassan expressed shock over how the government had withdrawn the cases that had "caused lot of shame for the state" as six legislators had gone berserk and damaged property worth Rs 2 lakh in the assembly in March 2015.
"This is a real shame and it shows to what extent the Vijayan government will go to cover up the wrong doings of their people. This case has been withdrawn after V Sivankutty (one of the six legislators), who lost the 2016 assembly polls, wrote a letter to Vijayan," said Mr Hassan.
The vandalism took place on March 13, 2015 when erstwhile State Finance Minister KM Mani was presenting the state budget for the new fiscal.
The then CPI-M-led opposition had taken a strong stand that Mr Mani, who was accused of taking a bribe of Rs one crore from a bar owner for reopening closed down bars, would not be allowed to present the budget.
When Mr Mani began his speech, the Left legislators went berserk, throwing out the Speaker's chair from the dais and also damaging the electronic equipment on his table.
After the incident, the then Speaker N Sakthan asked for a Crime Branch police probe.
Others named were legislators V Sivankutty, Kunju Ahamed, CK Sadasivan and K Ajith.
The present assembly Speaker P Sreeramakrishnan, who was not directly involved in the ruckus, was seen moving around when the incident took place.
On Tuesday, angry Congress legislators slammed Sreeramakrishnan and reminded him the way he had behaved on March 13, 2015, saying "it is strange that he is now trying to teach us decorum".
When asked about the withdrawal of the case, Sreeramakrishnan refused comment saying "it is irrelevant ... the decision was taken by the government".