"The proposal of bringing an ordinance is a ploy to buy more time to bail out Saradha chairman Sudipto Sen," Left Front chairman Biman Bose told reporters here.
"Bringing an ordinance is a time consuming process, longer the government takes to bring an ordinance, more the time Sudipto gets," said Bose.
The arrest of Sen has been ordered by Chief Minister Mamata Banerjee.
Taking a dig at Trinamool Congress general secretary Mukul Roy, who has promised that the government and party will take action against guilty partymen, he said, "I want to ask him about his views on the violence in Presidency University and involvement of Trinamool Congress councillor Mohamed Iqbal in the killing of a police officer.