She made her cinematic debut through the Malayalam film Rasathanthram directed by Sathyan Anthikkad's in 2006.

She obtained her graduate degree in law from The National University of Advanced Legal Studies (N.U.A.L.S), Kochi.

She played the central character, Vasundhara in Oru Dalit Yuvathiyude Kadana Katha, based on M. Mukundan's novelette.

It was while doing her Plus Two education that she travelled to Greece for the Ancient Greek Theatre Festival to represent India under the banner ‘Lokadharmi’ which were the only team from the Asia- Pacific region.

[citation needed] Muthumani completed her Bachelor's in Law from National University of Advanced Legal Studies.