Sija played a small role as Dulquar Salman's sister in her first Malayalam film Ustad Hotel.
She made her debut in Tamil with the movie Kozhi Koovuthu playing a role of a village girl named Thulasi in the year 2012.
[2] In 2013, she had three releases on the same day: debut director N. K. Gireesh's Nee Ko Njaa Cha, Annayum Rasoolum and Rajesh Amanakara's Entry.
[7] Thereafter she worked as an assistant director with Rajesh Pillai for the Hindi film Traffic and did not accept any acting offers in the meantime.
[8] After the completion of Traffic she signed her next film, Bijith Bala's debut venture Nellikka in which she plays Priya, the love interest of lead actor Deepak.