There is some good news for bank resignees. In the circular issued by AIBOC, it is mentioned that they are taking up matter of resigned employees with IBA. For this purpose they are in the process of collecting data of resigned employees.
Relevant para of the circular NO.4 dtd.12th Jan is reproduced below
Para 3. f) To collect data as regards number of resignations of CPF Optees from 1995 onwards for the purpose of taking up with IBA for their inclusion in 2nd Option.
Source - AIBOC website