Chandranathan replaced Swaraj Bir Singh who superannuated on July 31, 2018.
The Conrad Sangma-led government had appointed R Awasthi, who retired on September 30, and R.P. Agarwal, Director General (Prisons), was appointed as acting DGP.
On October 1, the UPSC had cleared the names of R.P. Agarwal, R Chandranathan and Assam's Additional Dierctor General of Police in-charge Training and Armed Police A.K. Sinha Casshyap.
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