[1] She appeared in several soap opera roles, often as villains and often opposite Monami Ghosh.
[2] Directors she worked with included Prabhat Roy, Agnidev Chatterjee and Aparna Sen. She also acted in jatra (a form of folk theatre).
[3] Koiral was born in Kolkata, and was still living there at the time of her death.
[5] Following Koiral's death, The Times of India claimed that she "nursed the wound of being denied her due credit" for the rest of her life.
[2] She continued to act after being diagnosed with liver cancer,[7] and died in hospital in Kolkata, aged 58.