Five civil servants were dismissed from service without any enquiry and hearing for their conduct of assaulting their boss at the railway station immediately after his retirement. The reasons for dismissal including impracticability of holcyng the enquiry were duly recorded. It was proved that the assault took place in a planned manner. All of them were arrested and prosecuted for assaulting the boss but later on acquitted by the criminal court. In this respect which one of the following is correct?