"This time I have plans to spend my Durga Puja in Kolkata as this is my hometown. I want my kids (adopted) to know what Durga Puja really is, " said Sushmita, who was in Kolkata to walk the ramp at a fashion show here.
The four-day Durga Puja celebrations begin Oct 14.
The 34-year-old actress, born in a Bengali family, has two adopted daughters - Renee and Alisah.
She adopted Renee in 2000, and in January this year she adopted a three-month-old girl, and named her Alisah.
Sushmita said she wanted to have biological kids also.
"I will surely adopt more kids and also want to have biological kids too, " the former Miss Universe said.
So when asked whether marriage was on the cards, the ever-smiling Sushmita replied: "I believe when the time comes it will surely happen. And I firmly believe that when I do get married it will be a perfect marriage."
In the past, the actress has dated actor Randeep Hooda and ad man Manav Menon.
Sushmita also spoke about her dream film project "Rani Lakshmibai", and feels it will come true some day.
"The budget of the film is Rs.80 crore. But I was told to do it in Rs.30 crore, and I don't agree with it, " she said.
"I don't believe in the rat race. Whatever movies I have done, I have done it with my heart, " said Sushmita, who entered Bollywood with "Dastak" in 1996 and went on to do films like "Biwi No.1", "Filhaal" and "Main Hoon Na".
Sushmita Saturday walked the ramp as a showstopper for designers Shantanu and Nikhil at the sixth edition of the Seagram's Blenders Pride Fashion Tour in Kolkata.