Section 36(2)(d) in The Air (Prevention and Control of Pollution) Assam Rules, 1991
(d)Where an appeal is dismissed under Clause (c) the appellant may, within thirty days from the date of dismissal of the appeal, apply to the Appellate Authority for the restoration of the appeal and if it is shown to the satisfaction of the Appellate Authority that appellant had not received intimation of the date of : earing of the appeal or was prevented by any cause, sufficient in the opinion of I he Appellate Authority, from appearing when the appeal was called for hearing, he Appellate Authority may restore the appeal on such terms as it may think fit.