By mistake if you have created two or more city ledger profiles for same company, so here you can merge profile and make it one. City ledger history also merged with this action.

Location:
eZee Front desk >>  Back Office >> City Ledger A/C >> Select profiles >> Right click – Merge Profile 

How to Access:
Please follow below steps to merge city ledger profiles

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Screenshot 2:
Make master profile to keep contact.
Note: This process is not reversible. You can confirm and click on Yes/No.