"The news is true. Mona expired today (Sunday)," Tusshar Kapoor told IANS through SMS.
Director Anees Bazmi told IANS: "I just got the news. It is really sad. I have not spoken to Boney yet. I am in Gujarat right now."
Mona was wheeled into the Hinduja Hospital two weeks ago and was undergoing treatment on its 15th floor. The reports were that her condition was very bad when she was brought to the hospital.
The funeral is Monday at Pavan Hans in Santa Cruz here.
"My aunt @monakapoor3 funeral is at 10.30 am Tom (Monday) 26th at pavan hans," tweeted actress Sonam Kapoor.
After hearing the news of her demise, Khan brothers – Salman and Arbaaz, who were shooting for "Dabangg 2" at the Kamalistan Studio immediately left for the hospital.
Mona is survived by two children – Arjun Kapoor and Anshula.
Mona, daughter of producer Sattee Shourie, was the CEO of Future Studios, which is described as the largest fully-furnished indoor shooting studio in the city.
She also produced successful television shows like "Hera Pheri", "Yug", "Wilayatee Babu" and "Kaise Kahoon".
She was active on Twitter in her last days and March 16, she had tweeted: "Once more anyone asks how I am, I will block them. You all know I am in hospital and battling stage 3 multiple organs cancer. Kindly pray for me. That’s all."