The domestic savings rate during the IX (Ninth) Plan period in India was a specific statistical figure. Without access to the exact historical data, we must evaluate the given options. Options A, B, and C present specific percentage values, while option D ('None of these') serves as a catch-all. The OCR error in option C ('25.3l' instead of '25.31%') and the lack of authoritative data make 'None of these' the safest answer.