 The term literally means "belonging to Indra," chief deity in the Rig Veda and lord of the Trāyastriṃśa heaven (also known as Śakra or Sakka in Buddhism) hence connoting supremacy, dominance and control, attested in the general meaning of "power, strength" from the "Rig Veda".In Buddhism, depending on the context, "indriya" traditionally refers to one of the following groups of faculties