Cost accounting standards

Dear Friends,

 I am Kiran Pursuing ICWAI (final) and  i need a help from you guys that in Costing and Operational Audit paper regarding to Cost Accounting Standards in the instiute material they were updated only upto CAS-7 only but presently they were around 14 standards i checked out all the websites to download the material and i didnt get so if  any one knows where the material available please tell me ...