MOP Calculator

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Everyone
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About this app

This is an App for Android Mobile. This App is used to check the Memo of Payment calculation used in bill payment calculation.
By entering the workdone values i.e. present bill and upto previous bill, the memo of payment is calculated based on the values for calculating the deductions previously set.
This can be used for bills prepared under LS, K2 and World Bank (WB) agreements. The calculator includes the GST payment, deductions of WHA, IT TDS, GST TDS.
The percentage used under various conditions for GST payment, WHA deduction, Income Tax deduction and GST deduction are manually set.
While calculating, the workdone are entered. Agreement Type (LS, K2 WB), Bill Type (Part, Final), Agreement value criteria (for GST TDS) , Agreement Nature (for GST Payment) and Contractor Type (for IT TDS) are set. There is provision for entering Lumpsum amount for deduction such are Penalty, amount for Want of Grant and Credit to work.
There are three pages.
Page for Settings - used to set default values
Page for Inputs - used to enter values while calculating Page to Display - gives the calculated result
Input page is the default opening page.

Settings Page - MOP Settings.
This App have provisions
for including or excluding GST paid for the calculation of WHA. If the WHA is calculated on Workdone + GST paid amount, select Yes. If the WHA is calculated on Workdone alone (excluding GST paid amount), select No.
Assign Rate of WHA for Part and Final bills for LS, K2 and WB agreements.
Assign Rate of GST paid for various types of works involved.
Assign Rate of IT TDS for Individual, Company and Others.
Assign Rate of GST TDS. The agreement value criteria is set. Option given are the agreement value is more than the criteria or less than it or exempted.
Click “Update” to set the changed valued as default
Click “Reset” to remove all the existing values.

Input page - MOP Calculator Adv
This is default opening page.  Workdone upto this bill and upto previous bill is entered. If any amount is retained in the workdone, the same is entered.
 Agreement Type (LS, K2 WB), Bill Type (Part, Final), Agreement value criteria (for GST TDS) , Agreement Nature (for GST Payment) and Contractor Type (Individual, Company) are entered.
 When K2 is selected the Security Deposit amount must be entered.
 When WB is selected Agreement Value must be entered.
 Lumpsum amount for deduction such as Penalty, amount for Want of Grant and Credit to work are entered.
 Click ‘Calculate’ will bring calculated page.
 Note: Amount retained will not be taken in to calculate IT TDS, GST TDS and WHA. Amount withheld for want of grant will be taken into calculate IT TDS, GST TDS.

Display page – Memo of Payment
Based on the entered values of workdone and selected options, the calculated values are displayed in this page.
Updated on
Jul 22, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Update of settings
Content rating
Everyone
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App support

About the developer
PAVITHRA THANGARAJ
pavi.techi6@gmail.com
110E/1B Brindavan street, Barani nagar, Vannarpettai Tirunelveli, Tamil Nadu 627003 India

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