The process of coating grooves or engravings in ornaments with coloured enamels is called ________.

Meenakari

The correct answer is Option (4) - Meenakari

Meenakari is the process of decorating metal surfaces, often gold or silver, with colored enamels. This intricate art form involves creating designs or patterns on the metal surface, typically with grooves or engravings, and then filling these areas with vibrant colored enamels. The piece is then fired to fuse the enamel with the metal, resulting in a durable and colorful finish. Meenakari work is commonly found in jewelry, ornaments, and decorative items, and it is particularly famous in regions like India, where it has been practiced for centuries.