

Kajal Aggarwal, and Sindhu Menon were the heroines of the film. Chandamama directed by Krishna Vamsi, Navdeep was another lead and movie succeeded well at the box office and gained huge applause for him in the role of a good-hearted village boy. In 2007 two of his films- Pagale Vennela and Chandamama were released.

His film Pothe Poni directed by Tammareddy Bharadwaja, won Golden Nandi Award, which got him Copper Nandi Award for the same. He got 5 releases in 2006, Pothe Poni, Kokila, Sarada Saradaga, Aganthakudu and Annavaram. He got his debut Tamil film Englishkaran in the same year. He took up Kumkuma an emotional heart touching script in 2005.

He generated comedy in a few scenes where he shows his frustration." Reviewer from wrote " Siva as Ajay is very promising." It was followed by Sankranti, in which he shared screen space with actors Daggubati Venkatesh and Srikanth.

A reviewer from quoted "Siva is good as adamant, at times confused, lover. Playing the role of Ajay, local MPs spoiled brat son, who is an adamant and very possessive lover, gained him critical acclaim which made him a star in the Telugu film industry. His major break came through the film Arya (2004 film) directed by Sukumar. He started shooting for his first film Idi Maa Ashokgadi Love Story on 23 September 2002, followed by a role in Ela Cheppanu and the lead role in Dost. He got his first film offer in 2002 at the age of 22 which made him leave his entrepreneurship and choose films, as his father strictly advised him to choose, either films or business. Siva Balaji started working in his father's Sri Balaji Group of companies (Sri Balaji Cylinders pvr ltd, Sri Balaji Valves Pvt ltd (DPR), and Sri Srinivasa cylinders pvr ltd (hot repair unit)) when he was 17 and established his own MSB Industries (valves, regulators and components manufacturing industry) at the age of 20. They have two sons, Dhanvin Kangula, born on 11 February 2010 and Gagan Kangula, born on 28 November 2014. In 2009, he married actress Madhumitha, whom he paired in his film Englishkaran. He has a younger sister Gayathri Lingam who is married to Yathendra Lingam, and younger brothers Prashanth Balaji and Krishna Sai. He attended Karthikeyan Matriculation Higher Secondary School. Siva Balaji was born and brought up in Chennai, Tamil Nadu.
