Advance authorisation

Dear all,  

I have taken advance licence to import of RM for manufacturing the goods to export. of CIF USD 100 @ INR 55 , CIF INR = 5500 value

But due to indian  rupee depreciation, custom rate is INR 56, so CIF USD 100 @ 56 CIF INR: 5600 value . there is not differ in quanity and cif value USD but CIF value INR is less in advance licence

There is requirement of enhance ment of advance licence.

Please advise....

regards,

sunny