Indian-origin industrialist Pankaj Oswal has filed an urgent appeal before UN against the detention of his 26-year-old daughter Vasundhara. Pankaj is part of the family which owns global conglomerate Oswal Group. He is credited with building one of world's largest ammonia plants in Australia. He recently bought one of world's most expensive mansions worth ₹1,649 crore along with wife Radhika.