If you are referring to the cancellation of a VAL, then there is no time-frame. However, if it is the Student Pass it takes approximately 5 working days. Kindly note that the approval to cancel the visa is solely at the discretion of the Immigration Department.
We are more than glad to assist you with your enquiry. However, in order to get all the details of your application, we would need to retrieve your record. To keep your details private and confidential please email us your full name and passport number at enquiry(at)emgs.com.my and we will help you out.