'A' borrowed some money from 'B' by depositing the title deeds of such property in Mumbai which is situated in Bhopalpura. Bhopalpura is not a notified city. Mortgage not registered in Mumbai 'B' filed suit for sale of mortgaged property. Here the mortgage

• A. Illegal, as the property was not located in Mumbai
• B. Invalid because the deed was not registered
• C. is valid, as property situated outside Mumbai can be mortgaged in Mumbai by deposit of title deeds
• D. valid, because A had no personal obligation to pay the debt