for the time being in force" be deemed to be the gross annual rent for which the building might "reasonably at the time of the assessment be expected to be let from year to year" while therefore, the requirement of the law is that the reasonable letting value should determine the annual value of the building, it has also been specifically provided that this would be so "notwithstanding anything contained in any other law for the time being in force". It appears to us that it would be a proper interpretation of the provisions of clause (b) of Section 138 of the Act to hold that in a case where the standard rent of a building has been fixed under Section 7 of the Madhya Pradesh Accommodation Control Act, and there is nothing to show that there has been fraud or collusion, that would be its reasonable letting value, but, where this is not so, and the building has never been let out and is being used in a manner where the question of fixing its standard rent does not arise, it would be permissible to fix its reasonable rent without regard to the provisions of the Madhya Pradesh Accommodation Control Act, 1961. This view will, in our opinion, give proper effect to the non obstante clause in clause (b) with due