The current exchange rate of 1 US Dollar (USD) to Indian Rupee (INR) is approximately 74.27 as of September 2021. Therefore, if you were to convert 25 US Dollars to Indian Rupees, the calculation would be as follows:

25 USD * 74.27 INR/USD = 1856.75 INR

So, 25 US Dollars would be equivalent to approximately 1856.75 Indian Rupees. Keep in mind that exchange rates fluctuate constantly, so it is advisable to check the latest rates before any currency conversion.