Kolkata: The state government on Thursday appointed Subhanjan Das as the District Magistrate (DM) of Alipurduar district. Nikhil Nirmal, who was posted as the DM of the district, was transferred as the Managing Director of West Bengal Tribal Development Cooperative Corporation. Das has been holding the charge of Additional Secretary of the state Health and Family Welfare department.Nirmal, an IAS officer of the 2011 batch, was removed from his position a few days ago, after he was caught on camera thrashing a man inside a police station. The state government on Tuesday wrote to the Election Commission of India (ECI), seeking permission for transferring Nirmal and as soon as the nod was received, the state effected the transfer. The nod of ECI was necessary as DMs are electoral officers. Also Read – 3 injured, flight, train services hit as rains lash BengalA state government notification further informed that Mahua Banerjee will be posted as the Commissioner of the Health and Family Welfare department until further orders. Banerjee was holding the charge of Commissioner in the state Information & Cultural Affairs department and is the CEO of Nandan. It may be mentioned that Falakata police station at Alipurduar had arrested one Binod Sarkar for making objectionable comments against the wife of Nirmal on her Facebook page. Following his arrest, the DM went to the police station and thrashed Sarkar. His wife Nandini Krishnan was also present during the assault. The video footage of the incident went viral on social media, following which Nirmal was sent on a 10 day leave by the state government. Additional District Magistrate (Development) of the district Chiranjib Ghosh was acting as the DM. Meanwhile, it has been learnt that the police have started a fresh case against Sarkar on the basis of a fresh complaint by Krishnan, who had alleged that Sarkar had beaten up one of her close friends.