Reliance chairman Mukesh Ambani's daughter Isha Ambani and her husband Anand Piramal have returned to Mumbai from the US after welcoming their twins last month. A video shows an elated Nita Ambani holding one of her daughter's twins. Several other members of the Ambani family, including Mukesh and Nita Ambani's sons Anant and Akash Ambani, are also seen in the video.