Section 250(5) in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
(5)An engineer or expert or agency employed under sub-rule (1) shall be paid such travelling allowances and daily allowances as are allowed to him by his organisation where he is employed or such travelling allowance and daily allowance as is admissible to officer of the rank of a Deputy Secretary to the Government of India.