Indra Lingam is installed facing East and is associated with the celestial Lord Indra. According to mythology, Indra is the king of heaven with Indrani as his consort. His vehicle is a four-tusked white elephant called Iravatham. Lord Indra is depicted seated on his vehicle with his weapon Vajra (thunderbolt) in his hand, with which he abolishes ignorance and bestows spiritual wisdom on his ardent devotees. Indra Lingam is associated with the Navagrahas - Surya (Sun) and Shukra (Venus). Propitiating Indra Lingam can bless you with prosperity and longevity.