The action follows a complaint by NCP legislator Vidya Chavan that the posters were obscene.
"We received a complaint from Chavan, who alleged that the posters were obscene. I have asked BEST general manager to remove such posters from BEST buses," Mayor Sunil Prabhu told PTI.
The 31-year-old Indo-Canadian porn star, whose participation in the reality show 'Bigg Boss' led to her entry in Bollywood, is debuting in the erotic thriller directed by Pooja Bhatt.
It will hit theatres this Friday.