Born to K.N.Ramachandran Nair and Santha Ramachandran at Thodupuzha in Kerala.

Binni began learning Carnatic Music (Vocal) at the age of seven under Vidwan Sri. Thiruvizha Surendran and came under the tutelage of Sri.Thamarakkad Govindan Namboodiri. During her graduation and post graduation in music, she learnt from Violin Vidwan Sri.B.Sasikumar and Prof.Neyyattinkara Mohanachandran at Trivandrum. Now under the musical guidance of Padmavibhushan Dr.M.Balamuralikrishna.

Binni was awarded direct B-High grade by the All India Radio and sings regularly for the AIR, Doordarsan and other private television channels. She has been featured in the South Zone Hookup programmes of the AIR.

BINNI KRISHNAKUMAAR was introduced to playback singing by the popular music director Sri.VIDYASAGAR by making her sing her debut song Rä rä sarasaku rärä in the super hit Rajinikanth movie - CHANDRAMUKHI.

Since then, she has Sung in more than 50 Feature Films, 20 Television Serials & 150 Music Albums in Tam