Unveiled on Sunday during the 68th Cannes International Film Festival, the book is on cuisines for festivals and rituals of Indian communities.
Before the launch, Sonam had tweeted: "Pl join me as we celebrate India with #UtsavatCannes with @thevikaskhanna today. Moment of pride for all of us in India."
It was a moment of pride for veteran actor Anupam Kher too.
"Celebrating #UTSAVatCannes- World's largest compilation of Festivals by @TheVikasKhanna Moment of pride. #JaiHoIndia," he tweeted.
The star chef, who owns the New York restaurant Junoon, which is widely popular, thanked the stars for their support.
"Thank You @sonamakapoor @AnupamPkher for your love and support for #UTSAV and love for Indian Culture. Best V," tweeted Khanna.
