 The swear-in ceremony was held on 7 April 2007.When Singh was appointed Governor of Rajasthan on 19 August 2007, Sankaranarayanan was also appointed Governor of Arunachal Pradesh, and he was sworn in on 4 September 2007.He remained in that post until January 2008, when Joginder Jaswant Singh became governor of Arunachal Pradesh.