Section 17(1)(b) in The Ministers (Allowances, Medical Treatment and other Privileges) Rules, 1957
(b)a daily allowance [at the rate of 50% of the rates admissible to a Secretary to the Government of India] [Substituted vide MHA Notification No.10/19/93-M&G dated 6-12-1995. [GSR No.779(E)].] if he stays in his saloon or inspection carriage.