Bengali actress Rituparna Sengupta rues she hasn't got enough opportunities in Bollywood to showcase her talent despite being around for four years. But the National Award winner is excited about sharing screen space with none other than Shah Rukh Khan - in an ad film.

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"Yes, Bollywood couldn't recognise my talent to the extent expected," Rituparna, who forayed into the Hindi film industry with "Main, Meri Patni Aur Woh" in 2005,u00a0said on phone from Kolkata.

She was then seen in box office duds like "Unns - Love...Forever", "Gauri - The Unborn" and "Sirf - Life Looks Greener on the Other Side".