Millions of retired people across the UK have gotten the wrong pension for decades as a result of 'mind-blowing' errors that date back to the 1990s.
The mix-up has lead to retirees not receiving the right amount of Graduated Retirement Benefit (GRB); a form of additional State Pension payment to top up your basic pension.
The payment is available to those who paid graduated contributions on their earnings between 1961 and 1975 as part of the graduated pension scheme.
