Introduction Every luxury bathroom renovation conversation in Bangalore in 2026 arrives at the same question. What do we do about the grout? The dark lines between tiles that discolour within months. The scrubbing that never quite restores them. The visual interruption across what should be a seamless, considered surface. In a home where every other detail has been specified with precision — the fixtures, the vanity, the lighting — the grout lines sit there as a constant remi