Sri Dharmalinga Swamigal (Tamil: தர்மலிங்க சுவாமிகள்): also known as Vaalai Siddhar is a Siddhar and a Spiritual Guru in India. He belongs to the Himalayan Parampara of Siddhars - Siddhar Kagapujandar Order. He is a mystic who practises Vaasi Yoga, the yoga only known and practised by Siddhars; a yoga that could only be taught and knowledge imparted through a guru-shishya tradition. He founded the Kaga Ashram and Bhairavar Peetam, a non-profit, charitable trust that spreads the importance of Vaasi Yoga and Bhairavar Worship. Dharmalinga Swamigal was instrumental in spreading the Bhairavar (a form of Lord Siva, the Hindu God) worship in the last 2 decades in many parts of southern India. He has been active in the print and digital media; his numerous books on Vaasi Yoga and Bhairavar worshi