Hello, here I am providing you the details of the grading system done by the IIT Delhi as under:

About the institute:
The Indian Institute of Technology Delhi is a public research university located in Delhi, India. It was declared to be Institute of National Importance by Government of India under IIT Act.

The weightage of each component is given below
Component Sub Component Weightage
Minor 1 20
Lecture - 70 Minor 2 20
Major 30
Assignment 1 9
Practical - 30 Assignment 2 9
Assignment 3 12

Grading system:
Grade Range
A 80-100
A- 72-80
B 64-72
B- 56-64
C 48-56
C- 40-48
D 30-40
E 25-30
F <25

Contact details:
Indian Institute of Technology Delhi
Hauz Khas, New Delhi,
Delhi 110016
Phone: 011 2659 7135