Anant Ambani and Radhika Merchant's wedding celebrations are at the Ambani-owned Jio World Convention Center. in Mumbai and at the family home. The marriage is the culmination of months of celebrations, which have included concerts by stars such as Rihanna and Justin Bieber.
Justin Bieber sang at the pre-wedding celebration of the son of the richest man in Asia
The four-day wedding celebrations began on Friday with a traditional Hindu wedding ceremony and will be followed by a grand reception that will continue throughout the weekend.
On the guest list are former British Prime Ministers Tony Blair and Boris Johnson, the CEO of "Saudi Aramco" Amin H. Nasser, as well as Adele, Lana Del Rey, Drake and David Beckham, according to local media.
Wrestler and Hollywood actor John Cena and Kim Kardashian with their younger sister Khloe arrived in India for the wedding. The two took a motorized rickshaw ride through the busy streets of Mumbai on Friday before joining the wedding ceremonies.
The foreign guests wore traditional clothes of major Indian fashion designers.
The father of the groom - Mukesh Ambani, is the 9th richest person in the world with an estimated fortune of 116 billion US dollars according to data from "Forbes", the Associated Press specified. He heads the conglomerate Reliance Industries, which has annual revenues of more than $100 billion. The areas in which it operates are petrochemicals, oil and gas, telecommunications and retail.
Ambani is also a key ally of India's Prime Minister Narendra Modi, AFP noted.
The groom, 29-year-old Anant, is in charge of the conglomerate's expansion into renewable and green energy. He also runs a 3,000-acre (about 1,200 hectares) animal rescue center in Jamnagar, the family's hometown in Gujarat state.
The bride, Radhika Merchant, also 29, is the daughter of pharmaceutical tycoon Viren Merchant and is the marketing director of his company Encore Healthcare.