Billionaire Mukesh Ambani on Monday introduced daughter Isha as leader of his conglomerate's retail business as he details succession planning at India's most valuable firm. Ambani had previously named son Akash as chairman of the group's telecom arm, Reliance Jio. At Reliance Industries Ltd's 45th annual shareholders meeting, Ambani introduced Isha as leader of retail business as he invited her to speak on integrating WhatsApp with the retail business. Isha, 30, gave a presentation on placing online grocery orders using WhatsApp and making payments.