In his letter to Union Home Minister Rajnath Singh, Kejriwal claimed that he had consulted constitutional experts who said that the Centre has no right to seek the said information as per the law and Constitution.
The CM's letter after Union Home Minister, in May, asked the AAP government to provide information related to deputationists posted against cadre posts of IAS.
He also asked whether such details of officers have been sought from Chief Ministers of other states including Shivraj Singh Chauhan, N Chandrababu Naidu, Vasundra Raje, Devendra Fadnavis.
Since the Aam Aadmi Party has come to power in Delhi, the Centre and the AAP government have been at loggerheads over a range of issues, including appointment of officers, formation of commissions.