Service tax interest payable by firm

Jyothis (Article) (1127 Points)

23 January 2016  

Service tax payment due date : 06/01/2016

Date of payment of service tax : 12/01/2016

Date of payment of interest for delay in payment : 22/01/2016

Details of interest computation :

Days 06/01/2016-12/01/2016-6 days.

Interets was computed till date of payment of ST & not till date of payment of interest.

Is it correct/not.