also sold to Sudipto Sen (central figure in the Saradha scam) for , while 20 more of her pictures were seized from other Saradha Group shareholders. She has been criticised by opposition parties for not taking adequate steps against her own ministers who tried to cover-up their deeds. Sudipto Sen was arrested from Kashmir. The Shyamal Sen Commission, set up by the Chief Minister, was able to return to the depositors. Leaders from Congress and CPI(M) like Adhir Ranjan Chowdhury, Sujan Chakraborty, Biman Bose were also accused in this scam. Despite Bankshall Court's order to investigate into this matter, no action has been taken by CBI against any of these leaders (other than TMC leaders) to date. Rose Valley scam The Rose Valley financial scandal was a major financial scam and alleged political scandal in India caused by the collapse of a Ponzi scheme run by Rose Valley Group where multiple MPs from Banerjee's party were accused of money laundering. Narada scam The Narada sting operation was carried out by Mathew Samuel in 2011 for the Indian newsmagazine Tehelka and published on Naradanews.com just before the 2016 West Bengal Assembly elections. The sting targeted high-ranking officials and politicians of Banerjee's political party All India Trinamool Congress (AITC). During her tenure she challenged the federal system of India when she ordered the arrest of CBI officials, who arrived in Kolkata to investigate the Saradha Group financial scandal. But CBI's attempted arrest of Kolkata Police Commissioner was also an attack on federalism. Allegations of Muslim appeasement Mamata Banerjee and her government has been accused of "Muslim appeasement" several times by different groups of people including the opposition political parties. But refuting such claims her supporters says "Didi works for everyone, doesn’t discriminate between Hindus and Muslims." Imam Bhatta controversy Mamata Banerjee has been criticised for starting controversial stipends to imams (Iman Bhatta). The stipends were ruled unconstitutional by Calcutta High Court and ordered the West Bengal government to stop payment of the monthly stipend to thousands of imams and muezzins in the state. Durga Idol immersion controversy In October 2016, the West Bengal government banned the Durga Puja festival immersion after 4:00 pm. Durga Puja was to take place on 12 October and Muharram on 13 October. This was seen by a section of the West Bengal population as another example of the "Muslim Appeasement" policy of Banerjee's government. The Calcutta High