The Tulsi necklace worn by Lord Krishna holds profound significance in Hindu mythology. Tulsi, also known as Holy Basil, is considered sacred and symbolizes purity. The necklace is believed to embody devotion and protection. It is said that wearing the Tulsi necklace bestows spiritual benefits and wards off negative energies. In the epic tales of Krishna, the Tulsi necklace is a symbol of his divine love and connection with his devotees. 

Also known as a Tulasi necklace