Dena Bank RFR (Request for Registration) contains objectionable conditions

In Dena Bank RFR (Request for Registration) documents have the following objectionable conditions:

• Why Proprietorship CA firms, CA firm having less than 5 years existence are not eligible?
• Why Bank is escaping from disclosing selection criteria by saying "Each Recipient acknowledges and accepts that the Bank may, at its absolute & sole discretion, apply whatever criteria it deems appropriate in the selection of CA Firms as Concurrent Auditor."