Dr. Amita Ramanujan is a newly appointed (as of the third season) professor of Indian origin at the California Institute of Science (CalSci).

In the first season, she received a doctorate in computational mathematics with Charlie Eppes as her thesis adviser at CalSci, the same institution where she currently holds a faculty position.

Because of this association with Charlie, she assists him with various mathematical problems offered through his connection to the Federal Bureau of Investigation and frequently helps him see cases in a new light.

She decided to use the prize money to fund a trip to India with her grandmother in an attempt to become attuned with her heritage and help with the education costs of two Indian girls she met through one of Don's cases.

At the close of season one, in which she had completed her graduate work under the supervision of Charlie, she decided to pursue a second doctoral degree in astrophysics at CalSci with a new thesis adviser, Dr. Kepler.

Dr. Finch said harsh words to Amita about her needing to act like a professor and be more than Charlie's assistant and even stated that she dresses like a kid.

Amita understood Charlie's sentiments over Larry's leave of absence to the International Space Station and could discern that Eppes had never been in a situation where he was not able to get what he wanted.

When Charlie finally meets Amita's parents, Tapti and Sanjay Ramanujan, they are very rude to him, dismissing him, at times completely ignoring him, and talking about another man for their daughter.

In the season 5 finale, "Angels and Devils", Charlie proposes to Amita at the end of the episode after she had been kidnapped at gunpoint in front of him by the leader of a cult.

After Don and the rest of team get her home safely, Charlie proposes to her saying that he has learned this past year (5th season) that life turns on a dime and he doesn't want the things that matter (Amita) to disappear because he waited to see what could happen.

She mentioned in the pilot episode an arranged marriage (she described her would-be fiancé, a banker from Goa, as "a total ass") but it was unclear if she was serious or teasing Charlie and Alan.

[1] Amita has been a player of a MMORPG game called "Primacy" since she was an undergraduate (age 19), which allowed her to provide unique insights into a case involving a murderer who was a jealous gamer.

[3] Rawat's character on North Shore got cut before the pilot even aired, enabling her to return to Numb3rs as a guest star during the first season.