I have done btech(E&C) and MBA(IT) Now I have interview Plz answer the following question Why do you consider suitable for banking job?

Banks are approached for funds for various technical projects. They require a technical due diligence and a business due diligence to assess the viability to ensure that the bank is safe to make the advance.

You have both an engineering degree and an MBA, which makes it an ideal combo for the intended purpose.