Rule 6(3) Cenvat credit

Plz. see the Explanation I of Rule 6(3)"The amount mentioned in conditions (a) and (b) shall be paid by the manufacturer or provider of output service debiting the CENVAT credit or otherwise."

(a) Cenvat credit: Credit of Input Service Tax.

(b) Cash paid: Service tax paid in cash.

when you are providing exsumted service with taxable service Eg service to GTA is now exsumpt in this case what ever input service you are using for providing output service cenvat credit is not to take department have given two option one keep seperate set of account do not take input credit

if seperate set is not maintain then fallow seperate rule you have two option 1)pay 8% or 10% service tax 

2)reverse cenvat credit of that input service or paid that input credit in cash.

you are taking about this last option.