Mortgage – Equitable mortgage - Loan made to registered proprietor of land – Agreement

for land to be security for loan – Proprietor depositing certificate of title in pursuance of

agreement – No instrument of mortgage executed – Whether equitable mortgage in place –

Enforcement of equitable rights – Registration of Titles Act, section 103 - Conveyancing

Act, section 28 (2) – Judicature (Supreme Court) Act, section 48