Not only should the opportunity of cross examination be made available, but it should be one of effective cross examination, so as to meet the requirement of the principles of natural justice. In the absence of such an opportunity, it cannot be held that the matter has been decided in accordance with law, as cross examination is an integral part and parcel of the principles of natural justice. Affidavit of own is not evidence with in meaning of S. 3 of the Evidence Act , 1872 .