The Bureau of Indian Standards (BIS) in the Indian government has issued Quality Control Orders (QCOs) for products and raw materials along the polyester value chain, with differing implementation dates. The QCOs narrowed the sources of imports to India and added to worries about escalating prices in polyester raw materials and products in the domestic market. But influence isn't limited in India. The Asian polyester market has witnessed significant changes in trade flow and price rallies before and after the implementation of QCOs. This insight will dive deep into this subject and investigate both short-term and long-term consequences of the policy change in the largest South Asian polyester market.