The child attained extra ordinary mastery over "Sruti" and the "Smriti". The subsequent Advaita tradition has further elaborated on these sruti and commentaries. The sources of law during this period were Sruti, Smriti and acharas (customs). Reason is used to support revelation, the "sruti", the ultimate source of truth. Within six he becomes a knower of the Sruti (scripture). A central concern in Neo-Vedanta is the role of "sruti", sacred texts, versus (personal) experience. It was given the name shruti box or sruti box. He would sit with a sruti box accompanying the singer. Musical instruments include "maddale" and "chende" (types of drums), and a "sruti" (harmonium-like instrument). He is married to his long-time girlfriend Sruti Bhaskar since 28 February 2016. Classical Advaita Vedanta is centered on the correct understanding of "sruti", the sacred texts. Correct understanding of the "sruti" is a "pramana", a means of knowledge to attain liberation. Earlier Veeramani Daasan had a light music troupe, Sruti Laya. The only source for the knowledge of this Brahman is the Sruti or the Upanishads. The fine intonational differences between different instances of the same swara are called [[sruti (music)|srutis]].