categorically declared that service by personal tender shall only be on an authorised agent. We discern a clear distinction on facts and a clearer non-application of the law declared therein. Therein the adjudication order was served on an employee of the appellant, by personal tender, who, the appellant stated, was a kitchen boy employed on daily wages. The said service was in the manner as prescribed in subclause (a) of Section 37C, ie: by tendering the order to the person for whom it is intended or his authorised agent. In fact, the Hon'ble Supreme Court in paragraph 8 extracted Section 37C and specifically found that 'It is not the case of the Department that it simultaneously also dispatched the order to the appellant by registered post with acknowledgment due'(sic). Hence the decision has no application to the instant case, wherein the order was sent by registered post, which is sufficient service