(1977) 2 SCC 491 (State of Hariyana and another Vs. Rattan Singh). In a disciplinary enquiry the strict and sophisticated rules of evidence under the Indian Evidence Act, may not apply. All materials which are logically probative for a prudent mind are permissible. There is no allergy to hearsay evidence provided it has reasonable nexus and credibility. The evidence shall not appreciated in the sense of technical rules governing regular Court proceedings but in a fair commonsense way as men of understanding and worldly wisdom will accept. Reiterated in the case State of Karnataka and another Vs. Umesh 2022 SCC Online SC 345.