The Madhya Pradesh government has entrusted the responsibility of Niwari district to 2014 batch IAS officer Arun Kumar Vishwakarma, who is currently posted as ADM in Dindori district, while Niwari Collector, 2012 batch IAS officer Tarun Bhatnagar, who was removed by CM Shivraj Singh Chouhan yesterday, has been given the ministry as Deputy Secretary.