Safe Deposit Vaults/Lockers - Bailment or Lease?

When a customer opens a Savings Bank account or a Fixed Deposit account, the relationship between the customer and the Bank is that of Creditor and Debtor, the Customer being the Creditor and the Bank- the Debtor. When a customer avails loans from the Bank, personal or business, the relationship between the customer and the Bank is Debtor and Creditor, the Bank being the Creditor and the customer, the Debtor. However, the moot question is what is the nature of a contract when a customer avails the services of locker from the Bank where he keeps his articles in the locker? Banks in India consider the relationship to be either Bailment or lease, This article discusses, about the same and this author is of the opinion that it neither fits in the definition of Bailment or lease and it is only a case of "Licence. [ABSTRACT FROM AUTHOR]