What is 'Panchgavya', a mixture containing cow urine made mandatory by Gangotri Mandir Samiti to enter temple

A ban has been imposed on non-Hindus entering the Char Dham Yatra in Uttarakhand, allowing them entry only after adhering to certain rules. Non-Hindus will be permitted entry if they consume panchgavya, a mixture containing cow urine, as per the Gangotri Temple Committee's resolution. The Char Dham Yatra commenced with the opening of the portals of Yamunotri, Gangotri, and Kedarnath Dham amid Vedic chants