The groom, Anand Piramal, is the relative pauper.
In the video, Anand and Isha can be seen exchanging their vermalas while Amitabh Bachchan gives a speech on Kanyadaan.
Later in the evening, the grand wedding saw the parents - industrialist Mukesh Ambani and his wife Nita, tycoons Ajay Piramal and his wife Swati - and others welcoming the high-profile celebrity guests.
The 600 guests included Bollywood stars and politicians including former U.S. presidential candidate Hillary Clinton and former Indian president Pranab Mukherjee. The wedding too, like the pre-wedding bash was graced by many dignitaries.
Chairman Mukesh Ambani (center left) walks with his brother Anil Ambani during the wedding of his daughter Isha.
Video soon emerged on social media appearing to show Mrs Clinton and another former USA secretary of state, John Kerry, dancing with Indian actor Shah Rukh Khan.
As well as Clinton, who according to Indian media reports has an association with the Ambanis that goes back more than 18 years, attendees included newly-weds actress Priyanka Chopra and singer Nick Jonas, former Indian finance minister P. Chidambaram, cricketer Sachin Tendulkar and Bollywood actor Aamir Khan.
Isha Ambani and Anand Ambani exchanged their wedding vows on December 12, 2018 at Antilla, Mumbai.
Surrounded by politicians, business associates and the Bollywood A list, the couple were married at Antilia, Mr Ambani's towering residence and one of the world's most expensive private homes, valued at up to $1 billion.
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Following the attack, the army circled the nearby city of Ramallah, home to Palestinian president Mahmud Abbas. Two others were treated and rushed to the hospital with serious injuries, one in critical condition.