Banerjee was born in 1973 in
Rheydt,
Mönchengladbach,
North Rhine-Westphalia, West Germany to a German mother and an Indian
Bengali father. She grew up in Rheydt and graduated from the . Banerjee studied philosophy, German, and Indology in
Bonn, later political science and public law. In 2003 Banerjee started working as a freelancer for
Zweites Deutsches Fernsehen (ZDF), from 2005 she worked as a reporter for the Mainz ZDF editorial team for the magazine
Drehscheibe Deutschland and reported for
blickpunkt. From 2008 to 2011, Banerjee worked as a speaker for the ZDF editors-in-chief Nikolaus Brender and Peter Frey. From the end of 2011, Banerjee reported as a reporter from the ZDF Landesstudio Hessen, from 2015 she was a correspondent in Brussels. Since March 2019, she has been the deputy head of the capital studio based in
Berlin and alternates with
Theo Koll to present the program ''''. ==Awards==