Rejang people customary law, severe penalties such as adultery are provided; which is in line with Islamic laws that makes it easier for the Rejang people and also one of the earliest people group to convert to Islam. In the present era, despite a number of them still adhere to traditional cultural practices, many Rejang people have received higher education and have been represented in various modern skilled professions or as government employees. There are a few festivals that are celebrated by the Rejang people especially, "Rayo" or "Idulfitri", "Rayo Ajai" or "Iduladha", annual celebration of each Regencies as well as Indonesian
Hinduism in Sri Lanka was attempted via building schools and hospices. Again they were only marginally successful. Conversion attempts today by various Muslim, Christian sects, Bahá'ís, and Mormon missionary activity is still ongoing. The civil war and the recent tsunami have given further impetus to these efforts. Nevertheless, the vast majority of Sri Lankan Tamils still remain loyal to their ancestral Hindu religion. The elite and the upper classes, consisting of the higher castes, amongst the Tamils adhere to what is known as the Saiva Siddhanta or Dvaita school of Shaivism. Sidanta is opposed to the mainstream Vedanta school of India. Adherents of various