Central excise queries

WE HAVE A REGISTRATION OF CENTRAL EXCISE UNDER CHAPTER / HS CODE 30049011 AND BY VIRTUE OF THE NOTIFICATION NO. 18/2012 CE ( SL.. NO. 19) WE ARE PAYING EXCISE DUTY @ 6%.

MY QUESTION IS THAT

1. AS WE ARE PAYING DUTY AT THE ABOVE CONCESSIONAL RATE 6%,  ARE WE ELIGIBLE TO GET CENVAT CREDIT ?

2. WE HAVE TO PAY SERVICE TAX BY WAY OF PAYMENT TO SEVERAL ADVERTISING AGENCY AROUND 5 LACS P.M. SO ARE WE ALSO ELIGIBLE TO ADJUST THE PAID SERVICE TAX WITH CENTRAL EXCISE PAYMENT ?

PLEASE RELOLVE THE QUERY.

THANKS