SHIVA symbolises consciousness, the masculine principle.
In Hinduism, Lord Shiva is regarded as the representation of the Supreme Being. He is known as the third element in the Hindu Trinity(Trimurti), the other two members being Lord Brahma - the creator and Lord Vishnu - the protector. Shiva is the destructive form of the Almighty. As the cycle of destruction and recreation is always in a circle, Shiva’s primary responsibility is maintaining the life cycle. Scholars say, as the Mahakaal, Shiva destroys and dissolves everything into nothingness but as Shankara, he also reproduces that which has been destroyed and dissolved. His symbol of Lingam or the phallus represents this reproductive power.
Lord Shiva Avatars
Lord Shiva is considered as the supreme God in the Hinduism. For setting up an ideal work on the earth in front of his creatures, he had taken variety of the avatars and incarnations. Some of his avatars are related to protecting his devotees from the devils and proud Gods as well. However, five avatars of all his incarnations are hideously important as well as assumed to be the most valuable and effective for his devotees. The most important five incarnations are: Tatpurush, Namadeva, Aghoresh, Sadhojat and Ishan.
1) Tatpurush
Tatpurush is the most popular third incarnation of the Lord Shiva which was manifested in the 21st Kalpa of the planet known as Peetavasa. It was appeared by the prayer of the Lord Brahma.
2) Naamdeva
During the 20th Kalpa known as the Rakta, Lord Brahma got his complexion changed to a red. Another entity was appeared from him of the red complexion, which was name by him as a Namadeva. It is considered as the Naamdeva was also the incarnation of Lord Shiva.
3) Aghoresh
In the Shiva Kalpa (after the Peetavasa Kalp), an entity of black color complexion was appeared by the Lord Brahma when he was in deep meditation state. Lord Brahma named that entity as Aghor Shiva and considered as another form of Lord Shiva.
4) Sadhojat
During the 19th Kalpa known as Shweta Lohit, there appeared an entity by the Lord Brahma while he was meditating, which was named by him as Sadhojat. It is considered that this form of the Lord Shiva was the first incarnation. Four disciples of the Sadhojat were appeared by his own body named Nandan, Vishwanandan, Sunand and Upanandan.
5) ISHAN
In the Vishwaroop Kalpa, Ishan form of the Lord Shiva and Saraswati were manifested. Four divine entities like Mundi, Shikhandi, Caste and Ardhamundi were manifested from the Ishan Shiva. Lord Brahma was blessed by all of them for the creation facility.