Gauri and the 47-year-old actor's baby boy, through surrogacy, was reportedly born on May 27 at 34 weeks of pregnancy.
"A lovely evening spent at Shahrukh's place for celebration of Eid and his new born son AbRam, who is adorable," Bachchan posted on facebook. "...Lots of friends and well wishers... And with the children and grandchildren.. Finished late, but happy late..," he added.
Bachchan's grandchildren along with daughter Shweta visted him on Eid and the 70-year-old actor took his grandson Agastya to catch the latest SRK starrer "Chennai Express".
"The children are back.. Navya-Naveli, Agastya, Shweta all. The house is filled with the sound of little feet. Was showing Agastya 'Chennai Express'.. Fun!!," he had posted on Twitter on the eve of Eid.
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing