Sujata was born in a middle class Telugu speaking family in 1964 (54 years old) in mumbai. During her early ages , her family was not not prosperous and established . According to her , when she was 20 years old , she suffered child abuse and domestic violence.
She was born to V. Krishnamoorthi (father) and Sulochana Krishnamoorthi (mother). She had sibling , Suchitra Krishnamoorthi (sister), an actress , singer , writer , and painter . Her sister Suchitra Krishnamoorthi is an ex-wife of legendary director Shekhar Kapoor.
She started her acting career with TV serial Bombay Talking by plating the role of Sandhya Khanna. She made her film debut with The Memsahib (2006) . She worked in several movies and TV serials. one of her notable works is being a sister of legendary actress Sridevi in English Vinglish movie that was released in 2012. In an interview , she disclosed that she had not good roles in the films. Before being cast in Gauri Shinde's English Vinglish all her films flopped in which she played a role. after , she worked in Anand L. Rai's Raanjhanaa(2013) and Karan Johar's Gori Tere Pyaar Mein (2013).
Apart from films , she also acted in TV serials like Hotel Kingston , Bombay Talking , and Anil Kapoor's 24 and Jiya Jale.
She died on 19 August 2018 due to Metastatic Cancer. She was in the Fourth stage of it . In 2006, when she was 40 years old . she was diagnosed with Cancer . However , 2012 , reportedly , she was cured. After starring in English vinglish and Raanjhanaa, she again fell into the grip of this disease. She was undergoing an operation at Lilavati Hospital in Mumbai. Her sister, Suchitra Krishnamoorthi confirmed her death on twitter: