NEW DELHI: West Bengal CM Mamata Banerjee’s equations with her Bihar counterpart Nitish Kumar continue to deteriorate with the latter’s JD (U) taking strong exception to her attack on their leader and hitting back by raising the alleged complicity of Trinamool leaders in several scams.Reacting to Banerjee’s “betrayer” barb, something which has been almost unanimously seen as aimed at Nitish, JD(U) MP Harivansh said the Bengal government had failed to crack down on those behind chit fund scams, who plundered thousands of crores belonging to people in the state as well as the entire eastern region. He also talked about the complicity of Trinamool leaders in the scams.“Bengal continues to be the base of the scamsters who have perpetrated huge chit fund frauds to plunder thousands of crores belonging to poor people not just of the state, but also of Jharkhand, Bihar, Assam, Odisha and Tripura. The unfortunate fact is that Trinamool leaders have also been linked to the swindles,” Harivansh told TOI.Speaking in Patna on Wednesday, Banerjee had labelled as “betrayers” those who were not part of the campaign against demonetisation . She did not take names, but the remark was seen as aimed at Nitish who spurned her proposal to launch a countrywide campaign against demonetisation.