The five-day fashion gala will open July 29 here.
The 40-year-old actress was last seen on the ramp for Malhotra’s 2010 show at the HDIL India Couture Week.
Bachchan is also making her big screen comeback this year with Sanjay Gupta’s action-drama “Jazbaa” opposite Irrfan Khan.
The film also stars Shabana Azmi and its first look was unveiled at this year’s Cannes Film Festival. It is slated to release Oct. 9.