coposition shecm

Dear,

Of which state??

maharashtra

I am a manufacturer of Refractory Bricks & I am doing a Brick application Job for my Customer. In this job i have to use my own Product & some brought out products & apply them on job. My contract with customer is on Per Square meter basis. My Unit is a excisable unit also. So in my case what Type of tax i can Charge to my customer. Excise duty, CG Vat, Service Tax???