B. Arundhathi is a playback singer and Indian classical music vocalist.

She is a recipient of the Kerala Sangeetha Nataka Akademi Award in the Light Music category (2009).

Her elder daughter Charu Hariharan is mastered in psychology and plays mridangam very well.

Charu is also a Playback Singer - "Thotte Thotteduthe" (Venal Maram) 2009, "Sunday Sooriyan" (Ivar Vivahitharayal) 2009, "Mizhiyoram" (Yaakshi Yours faithfully) 2012, "Illimulam" (Iniyum Ethra Dooram) 2016, lyricist - song "My Heart" (Chattakkari) 2012 and music composer - album "Moodi Thirandidum", Songs "Nimishame", "Vinmeghamaay" & "Varmathiye" (Movie - Oru Karibbean Udayippu) 2019.

Her younger son Sreekanth Hariharan is a violinist and a Playback Singer - Songs - "Unakaga" (Movie: Bigil), "Aazhi Soozhnda (Sivappu, Manjal, Pachai), Uthira Uthira (Ponmanickavel), "Neengalum OOrum (Genius), "Pularmanju" (Iniyum Ethra Dooram), "Doore Dooreya" (Neeharika).