The Rigveda - ऋग्वेद. The Rigveda is a collection of Vedic Sanskrit hymns, It is one of the four canonical sacred texts of Hinduism known as the Vedas. The Rigveda is the book of mantra and contains the oldest form of the sanskrit mantras. The text is organized in books, known as Mandalas, Each mandala consists of hymns called Sukta. Feature: Easy user friendly interface.