About Sri Piyaratana Tissa Mahanayake Thero

Sri Piyaratana Tissa Mahanayake Thero, also known as Ven. Dodanduwa Piyaratana Mahanayaka Thero, was the Mahanayaka Thero of the Amarapura Nikaya, and the Sanganayake of the Southern Province. He initiated and popularised the 'Poruwa' ceremony at Buddhist weddings.
Thai monks blessing the King of Thailand in Wat Nong Wong

Theravada Buddhist monks – Guardians of the monastic code

is the most commonly accepted name of Buddhism's oldest existing school. The school's adherents, termed Theravādins, have preserved their version of Gautama Buddha's teaching or Buddha Dhamma in the Pāli Canon for over a millennium. Aided by the patronage of Mauryan kings like Ashoka, this school spread throughout India and reached Sri Lanka through the efforts of missionary like Mahinda. Starting at around the 11th century, Sinhalese Theravāda monks and Southeast Asian elites led .