Govt of India, Ministry of Finance, Department of Expenditure, issued orders for Payment of Dearness Allowance to Central Government Employees - Revised rates w.e.f 01.07.2012 i.e., from 65% to 72% vide OM No:1(8)/2012-E-II(B) dated 28/09/2012.
Source:http://www.finmin.nic.in/