Shri Arun Kumar Singh IAS (Bihar 1985 ) presently Development Commissioner Government of Bihar has been transferred and posted as Additional Chief Secretary Water Resource Department with Additional charge DG Public Administration and Rural Development Institute Government of Bihar.
For individual posting: https://www.indianbureaucracy.com/tag/5-ias-transferred-in-bihar/
Indian Bureaucracy Dot Com wishes Shri Arun Kumar Singh them the very best.