Income Tax Value error in Salary Slip

Hello Everyone, I am not getting the correct value of Income Tax in the Salary Slip. I followed the same slab format as prescribed in the ERP documentation i.e IT calculation for the FY 2020-21 India. Could someone help me understand how the Total Income Tax value is arrived in the salary slip from the IT Slab and Tax Exemption Declaration. What am I missing. Can someone guide me here

I tried the same procedure. There is a difference in the value that is is shown in the monthly salary slip when compared with the actual Tax Calculation

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Are you able to clear your issue?