GST on tiles

RT

Ceramic Tiles are @ 28% GST.   Can fit according to HSN's below.

HSN 6904  "Ceramic flooring blocks, support or filler tiles and the like."

HSN 6907 Ceramic flags and paving, hearth or wall tiles; ceramic mosaic cubes and the like, whether or not on a backing; finishing ceramics

HSN 6908  Glazed ceramic flags and paving, hearth or wall tiles; glazed ceramic
mosaic cubes and the like, whether or not on a backing.

Roofing Tiles are a different product and Bureau of Indian Standards (BIS) has a  product standard for it, if you wanna verify.