Singh made her debut in the Star Plus series Diya Aur Baati Hum playing the role of Sandhya who is a fun-loving, spirited young girl who aspires of becoming an IPS Officer, but due to some strained circumstances, she ends up getting married to a sweet shop owner, who supports her in her journey. Before her television debut she has worked for a Punjabi song album.
Deepika Singh was born on 26 July 1989 in Dehli into a Rajput family. She has three younger siblings (2 sisters and a brother). Deepika's sister Anamika Singh has made her big screen debut with the Bollywood flick Yeh Hai Lollipop.
Singh married the director of her television show Rohit Raj Goyal on 2 May 2014. In January 2017, Singh announced her pregnancy news to the media and her fans. In May 2017, Deepika gave birth to a baby boy.
Deepika made her television debut with the hit serial Diya Aur Baati Hum as Sandhya Rathi which started from August 2011 on Star Plus. The show was on air for 5 years and is one of the best longest running shows. Deepika played the role of a girl who dreams of becoming an IPS officer who then gets help from her husband and mother in law. She played the role for 5 years until the show went off air in September 2016. She received many awards for her role as Sandhya such as the ITA Award for Desh Ki Dhadkan - Best Actress - Popular. 3 years in a row, Singh one Favourite Bahu award in 2012, 2013 and 2014. In 2016 she also won the Nayi Soch Award.
Deepika was a celebrity contestant in the tenth season of the Indian version of the reality TV show Big Brother, Bigg Boss. It started in September 2016. Singh was as a finalist and declared as winner of the season. She said in an interview "I did not expect I will win. It gave a big surprise for me I'm really happy".