Ms Banerjee said that the woman's husband is a CPM sympathiser. However, the woman is a widow; her husband died 11 years ago.
The victim says she was travelling by train in Katwa when a group of men who were trying to rob passengers dragged her out onto the track and raped her. Ms Banerjee says that medical tests conducted on the victim have not confirmed a sexual assault.
Earlier this month, a woman filed a police case saying she had been raped by a gang of men who she met at a nightclub on Kolkata's famous Park street. Ms Banerjee dismissed the rape as "fabricated" and said the CPM was trying to malign her government. The police, however, confirmed the victim's version of events and has arrested three men.
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.