High Quality Content by WIKIPEDIA articles! Amita Ramanujan (portrayed by Navi Rawat) is a fictional character from the TV series Numb3rs. Over the course of the series, she has become a professor at CalSci and has since become romantically involved with her former thesis advisor, Dr. Charlie Eppes (David Krumholtz). First introduced in "Pilot", the character of Amita has received mixed reviews.