Suits for the recovery of arrears of rent shall be instituted within three years from the last day of the Bengal year or from the last day of the month of Jeth of the Fusly or Willayuttee year in which the arrear claimed shall have become due. For arrears of rent due at. the passing of this Act., suit shall be brought within three years after the passing of this Act, or within the period now allowed for the institution of such suit in the Civil Court, whichever may first expire.
    Proviso.—Provided that, if the suit be for the recovery of rent at a higher rate than was payable in the previous year, such rent having been enhanced after issue of notice under section XIII, and the enhancement not having been confirmed by any competent Court, the suit shall be instituted within three months from the end of the Bengal year or of the month of Jeth of the Fusly or Willayuttee year, on account of which such enhanced rent is claimed.