Gst no inter state but

example
(buyer) person having gst no telangana state nature of business (interior work )

seller is karnataka state.

quetion is. seller sells a items to telangana state gst no holder
but goods is not moved to telangana state goods mooved only some of karnataka states district s.

how to bill raise to seller
is this. tax. is cgst and sgst or igst tax