Aishwarya walks the ramp at Longines ad launch

Besides ruling the big screen,Aishwarya Rai Bachchan,at 36, still manages to set the ramp on fire.Well, this was evident at the Longines ad launch that was recently held at Taj palace in New Delhi. Besides, ramp shows and endorsements, the Bachchan Bahu is also busy promoting their home production, Paa, since she has taken the responsibility of being the movie's marketing head.