New Delhi, Aug. 12 -- Toilets have been largely overlooked in a luxury bathroom for decades. Hidden behind marble, concealed within perfect architecture, it was treated as a purely functional necessity rather than an integral part of the experience itself. But the modern bathroom has evolved. At the heart of this evolution is the rise of intelligent smart toilets.

Smart toilets are now being seen as expressions of luxury. "They anticipate comfort before it is requested. They elevate hygiene into ritual. They remove visual clutter while introducing extraordinary refinement into the rhythms of everyday life," said sanitaryware products firm Kohler.

Kohler smart toilets embrace this philosophy. They are being described as sculptural in for...