(a) No court shall, in any proceeding pending on the date of commencement of the (amending ordinance) pass any decree in favour of a landlord for eviction of a tenant on the ground of non payment of rent, if the tenant applies under clause (b) and pays to the landlord, or deposits in court, within such time such aggregate of the amount or rent in arrears, interest thereon and full costs of the suit as may be directed by the court under and in accordance with that clause; (b) in every such proceeding, the court shall, on the application of the tenant made within thirty days from the date of commencement of the (amending ordinance) notwithstanding any order to the contrary determine the amount of rent in arrears upto the date of the order as also the amount of interest thereon at 6% per annum and costs of the suit allowable to the landlord; and direct the tenant to pay the amount so determined within such time, not exceeding ninety days, as may be fixed by the court; and on such payment being made within the time fixed as aforesaid, the proceeding shall be disposed of as if the tenant had not committed any default; (c) the provisions of clauses (a) and (b) shall mutatis mutandis apply to all appeals; or applications for revisions, preferred or made, after the commencement of the (amending ordinance) against decrees for eviction passed before such commencement with the variation that in clause (b), for the expression from the commencement of the (amending ordinance), the expression "from the date of the presenta tion of the memorandum of appeal or applica tion for revision" shall be substituted; (d) omitted.