My sarcasm rose out of the way your question was framed. Seemingly to suggest that the only options are either being gifted in multiple fields or being a fluke by nature of being gifted in only one.
Perhaps my comment missed highlighting those facts that she wrote a book on homosexuality back when India didn't even acknowledge it exists and that she contested elections standing against the then Prime minister of India.
But even she hadn't why was the question framed as though the only explanation for her abilities, in the case she wasn't a polymath, is fluke?