According to the Credit Suisse Global Wealth Report 2021, the total household wealth in India in 2000 was approximately USD 1.3 trillion, and in 2020 it reached approximately USD 12.8 trillion. Among the given options, "Increased eight-fold" (a factor of 8) is the closest figure to 9.85. While the report text also mentions a "four-fold increase" between 2000 and 2020 in one sentence, this contradicts the figures provided in the report's tables tabular data (~9.85) is significantly closer to eight- fold than to five-fold or three-fold.