Why are 3HO and Gora Sikhs vegetarians ?
Why are Nirmala Sikhs vegetarians ?
Why are Namdharis vegetarians ?
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/interfaith-dialogues/18095-why-no-meat-served-in-gurdwara.html
Why are Radha Soamis vegetarians ?
Why are AKJ's vegetarians ?
Why are Sufis vegetarians ?