Seven Forms of Tandava performed by Shiva are:
Kalika Tandavam – dance of creation
Sandhya Tandavam – dance of preservation of cosmos
Shankara Tandavam – dance of destruction
Tripura Tandavam – dance of concealment
Vurtha Tandavam or Anugraha Thandavam – the dance through which beings experience the world. The grace of Shiva with which He reveals to the self its true nature.
Ananda Tandava – He carries out all the above said five functions – Nataraja Form
Bhujangatirasam – Named after the serpent which Shiva wears.
Another famous Tandava performed by Shiva is the Urdhva Tandava, when he competed with Goddess Parvati.