Ekamra Kshetra as the deity of Lingaraja was originally under a mango tree (Ekamra). Ekamra Purana, a Sanskrit treatise of the 13th century mentions that the presiding deity was not seen as lingam (an aniconic form of Shiva) during the Satya and Treta yugas and only during the Dvapara and Kali yugas, it emerged as a lingam. The lingam in the temple is a natural unshaped stone that rests on a Sakti. Such a lingam is called Krutibasa or Swayambhu and is found in 64 places in different parts of India. With the advent of the Ganga dynasty in the early 12th century, during the period. It is attributed the raising prominence of Jagannath sect that became predominant during the construction of the temple. The Gangas remodelled the temple and introduced certain Vaishnavite elements like images of Vaishnava Dwarapalas namely Jaya and Prachanda, The flag of the temple was fixed to a Pinaka bow instead of trident usually found In Shiva temples Festival and worship practises As per Hindu legend, an underground river originating from the Lingaraja temple fills the Bindusagar Tank (meaning ocean drop) and the water is believed to heal physical and spiritual illness. The water from the tank is thus treated sacred and pilgrims take a holy dip during festive occasions. The central deity of the temple, Lingaraja, is worshipped as Shiva . . Shivaratri is the main festival celebrated annually in Phalgun month when thousands of devotees visit the temple. Apart from a full day of fasting, bel leaves are offered to Lingaraja on this auspicious day. The main celebrations take place at night when devotees pray all night long. The devout usually break their fast after the Mahadipa (a huge lamp) is lit on the spire of the temple. This festival commemorates Lingaraja having slain a demon. Thousands of bol bom pilgrims carry water from river Mahanadi and walk all the way to the temple during the month of Shravana every year. Sunian day is observed from royal times in the month of Bhandra, a day when temple servants, peasants and other holders of temple lands offer loyalty and tribute to Lingaraja. Chandan Yatra (Sandalwood ceremony) is a 22-day festival celebrated in the temple when servants of the temple disport themselves in a specially made barge in Bindusagar tank. The deities and servants of the temples are anointed with sandalwood paste to protect from heat.