Statement from the Ambani family spokesperson:

With the grace and blessings of Lord Krishna, Shloka and Akash Ambani became proud parents of a baby boy today in Mumbai.
Nita and Mukesh Ambani are delighted to become grandparents for the first time, as they welcomed the great grandson of Dhirubhai and Kokilaben Ambani. 
Both mother and son are doing well. The new arrival has brought immense joy to the entire Mehta and Ambani families.