Question: who are iyers and iyengars?
Answer: The Iyer and Iyengar are two different castes of Hindu Brahmins of Tamil origin. Iyers are followers of Adi Sankara who founded the Advaita philosophy, whereas Iyengars are followers of Sri Ramanuja who propounded the philosophy of Visishtaadvaita. ... The Iyer's drape it in the traditional Madisar style.