In South India, Lakshmi is seen in two forms, Sridevi and Bhudevi, both at the sides of Venkateshwara, a form of Vishnu. Bhudevi is the representation and totality of the material world or energy, called the "Apara Prakriti", or Mother Earth; Sridevi is the spiritual world or energy called the "Prakriti]". According to Lakshmi Tantra, Nila Devi, one of the manifestations or incarnations of Lakshmi is the third wife of Vishnu. Each goddess of the triad is mentioned in Śrī Sūkta, Bhu Sūkta and Nila Sūkta respectively. This threefold goddess can be found, for example, in Sri Bhu Neela Sahita Temple near Dwaraka Tirumala, Andhra Pradesh, and in Adinath Swami Temple in Tamil Nadu. In many parts of the region, Andal is considered as an incarnation of Lakshmi.