CRR & SLR to be maintained by Banks

What is the Rate of CRR & SLR to be Maintained by the Banks??.

Please tel Me Which rate to be taken in Preparing Accounts of Banking Company Applicable  for May Exam???

and the Classification Of Advances for the purpose of making Provision for Doubtful Debts

as per my knowledge

1) Standard Assets - 0.40% 

2) Sub Standard Assets - 10%

3) Doubtful Assets 

(a) unsecured - 100%

(b) Secured

upto 1 yr - 20%, 1 to 3 Yrs - 30% , More than 3yrs - 100%

Am i Right or Are there any Changes Please let me know Frenzz........... 

what is applicable for May Exam........