The Central Bureau of Investigation has asked Trinamool Congress (TMC) Rajya Sabha MP Derek OBrien to join ongoing investigation in Saradha chit fund case. Derek is a close aide of West Bengal chief minister Mamata Banerjee. According to reports, the TMC MP has been asked to appear before Moments after the news emerged, Derek put out a tweet saying, JagoBangla is Trinamool Publisher: Derek OBrien. Editor Subrata Bakshi was summoned by CBI a months ago to seek clarifications. Now, publisher served notice at 2 pm July 25. Trinamool Motion in RS to oppose amendments to RTI Act started at 2 pm July 25. JagoBangla is Trinamool Publisher: Derek OBrien. Editor Subrata Bakshi was summoned by CBI a months ago to seek clarifications. Now, publisher served a notice at 2pm July25. Trinamool Motion in RS to oppose amendments to RTI Act started at 2pm July25???????? Over 1.7 million depositors were duped of around USD 200 to 300 billion. After the scam broke, the state government formed a special investigating team to conduct the probe. However, the case was later transferred to the CBI. Many high profile personalities including politicians were arrested for their alleged involvement in the multi-billion scam. Among the arrested are two Members of Parliament – Kunal Ghosh and Srinjoy Bose, former West Bengal Director General of Police Rajat Majumdar, a top football club official Debabrata Sarkar, then minister in TMC government Madan Mitra. The CBI is also questioning former Kolkata Police commissioner Rajeev Kumar who had headed the SIT which probed the scam.