How much haircut is applied for each category of stocks?

Please find haircut category as below:

Stock Category	Applicable Haircut
E	Higher of 15% OR Exchange Margin (VAR + ELM + ADHOC)
A	Higher of 20% OR Exchange Margin (VAR + ELM + ADHOC)
B	Higher of 30% OR Exchange Margin (VAR + ELM + ADHOC)
C	Higher of 45% OR Exchange Margin (VAR + ELM + ADHOC)
D	Higher of 60% OR Exchange Margin (VAR + ELM + ADHOC)
Z	100%