Aishwarya Rai Bachchan, who has been the goodwill ambassador of Life Cell since October last year launched LifeCell's public stem cell bank in Chennai. This launch is carried out in an attempt to help patients who are in need of lifesaving stem cell transplant and will help successful preservation of one lakh umbilical cord stem cell in its facility in the city. While addressing to the media on this occasion, Aishwarya Rai Bachchan stressed the importance of the stem cell.