Grading scale conversion

I passed 4 years of Bachelor of Engineering in Electronics and Communication from Karnatak University (KU) in 1995. Now KU is no more associated with BE degree program and all Engineering colleges has been shifted to other university i,e VTU Bangalore.

Now, I have applied for admission to enroll in Master's of Engineering in Canada but the university is asking for grading scale from KU and minimum requirement for the program is grade "B".

How do I prove that I am qualified for ME program as my score is 64% (First Class) and is above or is "B"?

KU does not have any grading scale conversion for BE in their website.

please help.

Anyone from India or Karnatak University??