Who is Nawaz Modi Singhania, estranged wife of Raymond MD Gautam Singhania?

Nawaz Modi Singhania is a fitness trainer and owns Body Art Fitness centre in Mumbai. Nawaz, 53, also holds a law degree and is a columnist and author. She recently wrote a book 'Pause, Rewind: Natural Anti-Ageing Techniques'. She also had a fitness-related podcast on Spotify, called "Fitness with Body Art".