Salary of divisional officer. Conveyance allowance either deducted or not from salary. That is form which are exempted from tax. And as per 26 AS salary was minimum show.
Amount showing in your 26AS may include conveyance allowance. You can claim conveyance allowance exemption in your ITR. In your ITR 1 show basic salary and allowances ( taxable portion i.e.after exemption ) only.