rules of recruitment to all india services are determined by
All India Services The All India Services Act, 1951 empowers the government of India to make, after consultation with state governments, rules for the regulation of recruitment and conditions of service of the persons appointed to an All India Service. All India Service is governed by All India Service(Conduct) Rules,1968 which specifies the code of conduct for Civil Servant in general. The All India Service(Conduct) Rules,1968 http://persmin.gov.in/DOPT/Acts_Rules/AIS_Rules/Revised_AIS_Rules_Vol_I_Updated_Upto_31Oct2011/Revised_AIS_Rule_Vol_I_Rule_10.pdf[3] were amended latest by Govt. of India by notification published in official Gazette of India on 10 April 2015. http://egazette.nic.in/WriteReadData/2015/163600.pdf