The Kurinji stamp is a commemorative Indian postage stamp issued by India Post on May 29, 2006, featuring the rare, blue-flowering Neelakurinji shrub (Strobilanthes kunthiana) that blooms every 12 years in the Western Ghats, highlighting its ecological significance as a health indicator, medicinal value, and cultural tie to Tamil legends, with the Rs. 15 stamp showcasing its vibrant, bell-shaped flowers. Key Details of the Stamp: Issuing Authority: Department of Posts, Government of India. Date of Issue: May 29, 2006. Denomination: ₹15 (Rupees 15). Design: Depicts a bunch of blooming Kurinji flowers, often showing their signature purplish-blue color. Theme: "Save Kurinji Campaign" and celebration of the legendary flower of the Western Ghats.