Lord Balaji, Venkateshwara (Venkateshwer or Venkatachalapathi) is another form of Lord Vishnu, who is also very popular as a Hindu deity.
He has a dark complexion and four hands. In his two upper hands he holds a discus (a symbol of power) and a conch shell (a symbol of existence). With his lower hands extended downward he asks devotees to have faith and surrender to him for protection.
Lord Balaji is also famous as Lord Govinda. Lord venkateswara is very kind to help any one who prays to Him for help. Tirupathi temple in Andhra Pradesh, India, is the abode of lord venkateswara and this tirupati (tirumala) temple has highest earnings amongst all the temples of the world.