1994 She returned to India as a person of Indian descent (PIO).
2002 Radia founded the Sudes Foundation in memory of his late mother Sudan Rani Menon.
2012 She added Nayati Healthcare, which began providing mobile van services. Initially, Nayati Healthcare had 17 mobile wards and nearly 140 paramedics who assisted pilgrims in Badrinath, Uttarakhand, India.
Nayati Healthcare mobile minibuses are equipped with various necessary amenities, such as OPD facilities, X-ray services and others, to provide quality medical services to pilgrims.
2016 On February 28, Ratan Tata opened the first Nayati Healthcare hospital at Nayati Healthcity in Mathura, Uttar Pradesh.
In addition to Mathura, Nayati Healthcare has expanded its horizons to other cities, such as Delhi (Vimhansa Nyati Super Special Hospital), Agra (Nayati Hospital) and others. Nayati Healthcare operates in 15 Indian cities, mainly in Uttarakhand.
2018 Nayati Healthcare from Niira Radia Acquires PrimaMed Super in Gurugram and South Delhi.