The following steps can be taken to clear your trades if they have been imported multiple times:
1. Navigate to Incomes>Capital Gain
2. Scroll down to Securities Transactions
3. Click on Clear All
4. Navigate to Incomes> Business/Professions
5. Go to Businesses from Nature of Business tab and click on the delete icon to delete your imported data.
6. Re-import your trades only once and wait for them to upload.