Complex sentence: She began her carrier as Assistant Choreographer for Ranbir Kapoor's Rockstar (2011 film), she made her acting debut with "Run Raja Run" in Telugu in the year 2014.
Split into simpler sentences: She began her carrier as an Assistant Choreographer for the Ranbir Kapoor starrer, film Rockstar (2011 film). She made her acting debut with Run Raja Run (Telugu) in the year 2014.