(a) Any person who does not receive within the time specified u/s 7 on an application for obtaining information made by him or is aggrieved by the decision of PIO, besides a third party aggrieved by an order of the PIO u/s 11 to disclose third party information may also prefer an appeal against such order. An appeal should be made in the prescribed form. The appeal should be made within 30 days from the expiry of time specified u/s 7 for giving a decision on an application, or the receipt of the decision/order appealed against. An appeal should be disposed of within thirty days of its receipt. This period may be extended for reasons to be recorded in writing subject to a maximum of total 45 days from the date of filing of appeal. The appellate Authority may condone the delay and admit an appeal after expiry of the said period of 30 days, if he/she is satisfied that the appellant was prevented by sufficient cause from filing the appeal in time.