Achala is a term associated with Hindu deities and is mainly
found in the Puranas. The term is used to refer to Bhagavan Vishnu, Mahadev
Shiva and Kartik (Skanda or Muruga or Subrahmanya). The meaning of the term
Achala is ‘the immovable.’
Achala is also the name of a woman who assisted God Kartik
in his fight against the demon Tarakasura.
Achala is also used as an adjective to refer to the quality
of a deity.
The term is also used to refer to numerous other living
beings in the Puranas. It is also the name of a mountain.
Achala is included in the list of the names of Vishnu and
Shiva – in both Vishnu Sahasranama and Shiva Sahasranama.