Radha (Devanagari: राधा, IAST: Rādhā), also called Radhika, Radharani and Radhikarani, is almost always depicted alongside Krishna and features prominently within the theology of today's Vallabha and Gaudiya Vaishnava sects, which regards Radha as the original Goddess or Shakti. Radha is also the principal god of worship in the Nimbarka Sampradaya, as Nimbarka, the founder of the tradition, declared that Radha and Krishna together constitute the absolute truth Radha's relationship with Krishna is given in further detail within texts such as the Brahma Vaivarta Purana, Garga Samhita and Brihad Gautamiya tantra. Radha is the most important gopi in Raas(Special kind of dance) with Lord Krishna. Radha is often referred to as Rādhārānī or "Radhika" in speech, prefixed with the respectful term 'Srimati' by devout followers. Radha is regarded as an incarnation of Goddess Lakshmi.