Section 15B(2) in The Employee's Compensation Act, 1923
(2)In the case of death of the workman in respect of whom the provisions of this section shall apply, the claim for compensation shall be made within one year after the news of the death has been received by the claimant:Provided that the Commissioner may entertain any claim for compensation in any case notwithstanding that the claim had not been preferred in due time as provided in this sub-section, if he is satisfied that the failure so to prefer the claim was due to sufficient cause.