Login through given link https://myscore.cibil.com/
GOTO Menu tab and click ‘CIBIL REPORT ‘option
After clicking CIBIL REPORT go to bottom of the page and click ‘RAISE DISPUTE’
Choose ‘ACCESS DISPUTE FORM’
Select type of dispute and proceed with steps as per your requirement
Select ‘FIND SOLUTION’
Click on ‘RAISE DISPUTE’ button.
Proceed as per instructions on website