She is known for her roles as Indira in AMC's post-apocalyptic horror drama The Walking Dead: World Beyond,[1][2][3] Manisha Al-Jamil in the NBC comedy series The Good Place,[4] Sita Parrish in Quantico,[5] and Rachel in Silicon Valley.

[1][6] Khaja also wrote and starred in the off-Broadway play Shaheed: The Dream and Death of Benazir Bhutto.

[7][8][9][10] Khaja attended Castro Valley High School, where she starred in theater productions such as The Diary of Anne Frank and graduated in 1992.

[12][15] She also appeared in the Mark Taper Forum's production of the play Stuff Happens by David Hare.

She received an LA Weekly Theater Award for Solo Performance for her work in the play.