Mr.x has sold ABC property to Mr.Y. and Mr. Y sold the property to Mr.Z. Mr. has given GPA to Mr.D and he made some plots and sold to the buyers. Mr.A has purchased a plot and again sold to it Mr.B. Now Mr. B. approached a bank for housing loan. What are the documents he needed to get a legal opinion from the panel advocate to get the loan from the bank? As a banker , what are the precautions to be taken while processing the loan.