Hinduism

The basis for Hinduism's opposition to corporal punishment is its central tenet of ahimsa. Ahimsa is a Sanskrit word meaning nonviolence in thought, word and deed. Ahimsa is described here:
http://www.hinduismtoday.com/archives/2001/7-8/32-37_peace.shtml

The founder of Kauai's Hindu Monastery, Satguru Sivaya Subramuniyaswami, wrote lessons on the subject of discipline in his books:
http://www.himalayanacademy.com/resources/books/lws/lws_ch-26.html
http://www.himalayanacademy.com/resources/books/lws/lws_ch-27.html