In Assam University, there is a particular formula that is used to calculate the SGPA of a student where the marks scored by the student and the total marks of the exam are taken into account. It is the average of the grade points of all the subjects and it is calculated on a scale of 10. 

The formula for calculating the grade point is as follows. 

Grade Point = (Marks obtained×10)/Full Marks

So, if you score 40 marks on a paper of 50 marks, then your grade point in this particular paper will be, 40 x 10/50 = 8.

After calculating the grade point of all the subjects, now we will have to add all these grade points and then divide that by the total number of subjects.