Kratika Sengar started her acting career with a small role in the popular long-running drama series Kyunki Saas Bhi Kabhi Bahu Thi in 2007 playing the role of Saanchi. After that, she played Prerna Nihal Garewal opposite Naman Shaw in Kasautii Zindagii Kay from 2007 to 2008. In 2008, she then bagged another Balaji Telefilms show Kya Dill Mein Hai playing the main negative lead as Naina in 2008. Later, she did a small guest appearance in the Sony TV's comedy show Bura Na Mano Holi Hai. She also appeared in reality show Lux Kaun Jeetega Bollywood ka Ticket.
