How to become co-borrower

I have availed a home loan from LIC as a co-owner and my wife is the Main Applicant under BhagyaLakshmi Scheme. My Wife is non-working and the registeration of house is yet to be done next month. I would like o know, how can i become a Co-Borrower of that house and do at the time of registeration, I need to register the house in both the persons name? Please Advise