Order of Settlement Commission to be conclusive [Section 245-I] :

Section 245-I provides that every order of the Settlement Commission passed under section 245D(4) shall be conclusive in respect of the matters contained therein and consequently no matter covered by the settlement order shall be liable to be reopened in any proceeding under the Income-tax Act or under any other law for the time being in force except, however, in those cases wherein the reopening of the case is specifically provided under section 245D(7).