Sona haldi is bright yellow spice powder made from dried turmeric rhizomes. haldi also known as turmeric is a native in southwest india. it is grounded into a deep yellow powder commonly used as a spice. It is one of the key ingredients in many asian dishes. One major active ingredient is curcumin, which has a distinctly earthy, slightly hot peppery flavour and a mustardy smell. Sona haldi can also be used in canned bevarages ,baked products, yellow cakes, biscuits, popcorns etcit leaves impart a distinctive flavours.