Workmen Compensation Act, 1923 ; Section 30- – An appeal from an order of Commissioner can be entertained only if there exists a substantial question of law to be considered – Workmen’s Compensation Commissioner is the last authority on facts – The other ground making the order under challenge, amenable to interference when the scope of jurisdiction is circumscribed by it being exercised only in cases of “substantial question of law”, is perversity in the findings – Act is a social welfare legislation and, therefore, it must be given a beneficial construction – Matters thereunder are to be adjudicated with due process of law and also with a keen awareness of the scope and intent of the Act – Fulmati Dhramdev Yadav vs New India Assurance Co Ltd – 2023 INSC 790