Civil work contractor

civil work contractor gst mai registered hai .

1. with material building banata hai. to itc mil jayegi ( cement , iron rods or etc . ) and gst rate kya hai ?

2. only sirf service dega ( usmai gst rate kya hai ? )

labour charges include karke gst lagana hai ya sirf jo service de hai us par.

please its urgent .

koi sufficient answer nahi mil raha bahut confusion hai .