As per the Department of Pension&pensioners welfare OM No.38/37/2008-P&PW(A) dated 02/09/2008
"In the case of pensioners who retired on disability pension under the CCS (Extraordinary Pension) Rules, 1939 for 100% disability (where the individual is completely dependent on some body else for day to day function). aconstant attendent allowance of Rs.3000/-p.m shall be allowed in addition to the disability pension, on the lines existing in Defence forces"
Based on the recommendations of 6th CPC as contained in their para 5.1.68 it has been dicided that the rates of constant attendent allowance payable to the civilian employees shall also be increased by 25% every time the dearness allowance on the revised pay bands goes up by 50% vide memo No.45/6/2008-P&PW(F) dated 07/12/2009. For full text of the order copy please click the below link and down load.