The Supreme Court on Tuesday upheld the conviction of Bollywood actress Monica Bedi in a passport forgery case, but reduced the sentence to the imprisonment already undergone.Bedi was caught in Portugal for travelling on a false passport to the name of Sana Malik Kamal. She was sentenced to five years of imprisonment by the trial court in Hyderabad which was reduced to three years by Andhra Pradesh High Court.She has already undergone two years and six months imprisonment.