Less than a mile from the Potomac River, tucked away on five wooded acres in Great Falls, Virginia, stands a home that looks as though it belongs in a European fairy tale. Known as Aashirwaad — Hindi for “blessing” — the 35,000-square-foot estate of Indian American entrepreneur Anil Sharma and his wife, Anu, is a world of grand staircases, glittering chandeliers, sprawling outdoor spaces, and a hand-carved temple brought from India. Yet behind t…