According to the Hindu legends, Balaji or Lord Venkateshwara is considered to be one of the incarnations of Lord Vishnu. It is believed that Lord resided by the small water body located near the Tirumala. The Sapthagiri Hills or the seven hills surrounds the Tirumala- Tirupati region. This hill is named after the legendary serpent – Sheshnaga. The temple of Tirupati is built on Venkatadri, which is the seventh peak of the Sapthagiri Hills.
According to myths, it is believed that if anybody visit this holy temple on the day of Ekadasi during the month Vaikunta, then he receives blessings and he would attain salvation after his death. It is also believed that on this auspicious day, the people who has reached the abode of God will be forgiven of their sins.
As the legend goes, it is said that Ramanuja – a saint born in the 11th century once climbed the seven hills in Tirumala- Tirupati. He received blessings from Balaji who appeared before him. With blessings from Lord, Ramanuja lived for 120 years. During his lifetime Ramanuja popularized Venkateshwara among his devotees.