Write a letter to BOS mentioning your new address with your registration number. In that letter request them to update your address for all future correspondence including for journals. Submit it to your local chapter of ICAI. It will be done within a week.
I did this for my case 1yr back when I changed my residence.
I feel you are doing CA final! Just Call ICAI head office and ask for the procedure they will tell you? you can find out the solution by spending two minutes of STD call which cost you Rs 1.20 paisa now