How can I reconcile data between BUSY and GST portal to avoid mismatches?

You can reconcile data between BUSY and gst portal by following below steps:
 Step 1: Open your company in BUSY.
 Step 2: First you have to mention your GST user name.
 Step 3: To mention your GST user name in BUSY, follow given steps.
 : Go in administration, then select configuration.
 : Select features/option, Click on GST/VAT, and mention your GST portal user name, as required for auto download of GSTR1,GSTR 2A,GSTR 2B,GSTR 3B, GSTR 4A.
 Step 4: Then go in transaction option.
 Step 5: GST Misc. Utilities option appears in Transactions menu only if you have selected the tax type as GST.
 Step 6: On selecting the GST Misc. Utilities option, following options are displayed:
 : Download GSTR JSON data.
 : Reconcile GSTR data.
 Step 7: First Download GSTR JSON Data
 : Under Download GSTR JSON Data,following options appear:
 ·Download GSTR1 Data.
 ·Download GSTR 2A Data.
 ·Download GSTR 3B Data.
 .Select this option to save & download GSTR-1,2A,3B files in BUSY.
 Step 8:Under Save GSTR-1 Data window following options appear:
 ·Select Saving Mode.
 ·Select Filing Type.
 Step 9:Select Saving Mode
 .GSTR-1 files can be saved using following two methods:
 ·Auto Download.
 ·Manual.
 Step 10:Auto Download.
 :To Auto Download GSTR-1 files, follow below mentioned steps:
 1 .Select Saving Mode as Auto Download.
 2 .click Download button appearing in front of Month Names,then on clicking Download button, a Specify OTP window appears where you need to specify the OTP received on your registered mobile number.As this OTP will be valid for the time period as selected while configuring API Access on GST Portal.
 3.For API configuration follow steps.
 A: Log in to the GST portal and navigate to the My profile section.
 B: Under the quick-links panel, select Manage API access. 
 C: Click yes on it. 
 D: Duration dropdown will be displayed.
 Step 11:Manual.
 :To To Download GSTR files manually,follow below mentioned steps:
 1. Select Saving Mode as Manual.
 2. Now, save files for different months/quarters by browsing the file path.
 Also you can remove or Re-download existing file by clicking on the status of a particular file.
 Then go in reconcile data and select relevant GSTR and follow steps to reconcile,as you have downdload it.
 :Report Options
 ·Start Month.
 ·End Month.
 ·Ignore Diff in Amt. Up to Rs in Drill Down Report.
 ·Skip HSN Summary.
 ·Skip Document Summary.
 Step 12: After entering data in the required data fields, click Ok button.
 Step 13: On clicking the Ok button, a Reconcile GSTR window appears.In the Reconcile GSTR window, data of each party as appearing in BUSY and as available on GST Portal is shown in separate rows.
 Step 14: Data appearing in blue color shows data in BUSY and GSTR is matched properly.
 . Data appearing in red color shows data mis-match.
 As you can also see only mismatch entries by entering yes on specify fields.
 By following these steps you will reconcile your GSTR and BUSY data, correct the error if shows mismatch.i.g.
 .Inovice amount.
 .Invoice Number.
 .Party does not exist in BUSY.
 .Negative value as might be in Debit/credit note.
 .Diffrent GSTN mention in party master.
 If Still the issue persists, contact To Our 24*7 Centralized customer support on 8282828282 or 1140964096 & For further assistance You Can Also Mail us on Support@busy.in