Service tax rules and slab

Dear sirs Is have the partnership firm of civil construction we are engegue in civill work our nature of work is provide part of material that is sand,bricks,stone chips and labor and part of material that is iron rod ,cement etc provided by company.our partnership firm registered service tax,vat tax and cst tax,

So what is rules regarding service tax and rate of payment and vat too.

requested you to reply with example.