A perusal of the report of the Enquiry Officer, in the proceedings before us, shows that there is absolutely no reference to any data or material, if any, collected by him when he consulted the Deputy Superintendent of Police, Anti Corruption Branch on July 14 and 15, 1958. But, we have to state that it is highly improper for an Enquiry Officer during the conduct of an enquiry to attempt to collect any materials from outside sources and not make that information, so collected, available to the delinquent officer and further make use of the same in the enquiry proceedings. Ther.~ may also be cases where a very clever and astute enquiry officer may collect outside information behind the back of the delinquent officer and, without any apparent reference to the information so collected, may have been influenced in the conclusions recorded by him agiiinst the delinquent officer concerned. If it is established that the material behind the back of the delinquent officer has been collected during the enquiry and such material has been relied on by the enquiry officer, without its having be.en disclosed to the delinquent officer, it can be stated that the enquiry proceedings are vitiated. It was, under such circumstances, that this Court, in Executive Committee of U.P. State