Bollywood sensation Aishwarya Rai Bachchan said she feels that the chemistry between actors lies actually on the paper.

"The chemistry is on papers, actors infuse into it, " Ash said when asked about the chemistry she shares with Hrithik Roshan onscreen.

Aishwarya was in Kolkata on Sunday to promote her upcoming film 'Guzaarish' at Fame Cinemas.

The actor said she feels that if the chemistry is not present in the script, then the actors will not be able to give proper 'life' into it.

"Chemistry is between characters, that is what audience experience, " she said.

Speaking about 'Guzaarish;, Ash said: " It is a brave, sensitive, meaningful film and to add to it, Sanjay (Leela Bhansali) is making it."

In tjis film, Aishwarya will share with Hrithik Roshan for the third time after 'Dhoom 2' and 'Jodhaa Akbar'. "Guzaarish is the third film both with Hrithik and Sanjay, " she mentioned.

Ash also mentioned that she is 'blessed' to portray so many different kinds of women characters in her life.

"I am blessed to work so many different women character in my life, " she said at a press conference here.

Aishwarya will be seen playing a nurse in 'Guzaarish'. Ash said that she will love to work in Bengali movies in future once again after Rituparno Ghose's 'Chokher Bali'.

Besides Ash, actor Aditya Roy Kapur, who plays 'Omar' in the film, was present at the press meet.