Onetime billionaire Anu Aga saw her fortune, derived from family's 62% stake in engineering firm Thermax, take a further hit as shares fell. Her father founded firm, which late husband used to manage; she ran it after his death before retiring in 2004. Daughter, Meher, a chemical engineer, chairs company. Aga meanwhile dedicates herself to social causes, notably in education, and is also a nominated member of parliament.