Please read below links to Official Receiver's Office website for the direct information of bankruptcy application

Debtor provides all debt information in order to 
draft a statement of affairs with the petition.
Day 1
Debtor completes an affirmation procedure at the
Official Receiver's Office and submits the statement of affairs to the court for filing
Within a week from Day 1
Approved by the court, then defrost the bank account (if necessary) 1 Month
Court will grant the general bankrupt order to the debtor 1 1/2 Months