The institute released an official statement stating that the academic performance of students will be evaluated through CPI/SPI based on a 10-point scale. The CPI will be multiplied by a factor of 10 to obtain a numerical percentage for calculation.
So, the conversion system from a CGPA to an NIT Raipur percentage is *10.
For instance, your CGPA is 7.2. Then your Percentage will be 7.2 *10+72%