"18. Sub_Section (3A) of Section 7 oF the Gratuity Act is the most relevant provision for the determination of the present controversy. A perusal oF the sub_Section (3A) leaves no room for any doubt. that in case gratuity is not released to an employee within 30 days from the date the s me become payable under subsection (3) of secti on 7, the employee in question would be entiued to.,...simple interest at such rate, not exceeding the rate notified by the central Government from time to time for rhe Governm"., ,"r,"JJffiHj:':* l":li"lj is, however, one exception to the payment of interest envisaged under sub Section (3) of Section 7 of the Gratuity Act. The aforesaid exception is provided for in the proviso under sub_Section (3A) of Section 7. A perusar of the said proviso revears, that no interest would be payable .,.. if the delay in the payment is due to the fault of the en obrained permission,;'';ffir"l1Iiil:",I.",.: i;; authority for the delayed payment on this ground...,, The exception contemplated in the proviso under sub_ Section (3A). of Section 7 of the Gratuity Act, incorporates two ingredients. Where the two