Trial balance is not a conclusive proof of accuracy of accounts as the trial balance might tally in cases where there are compensating errors. For example, if you transposed numbers while posting from the general journal to the general ledger, or from the ledger to the trial balance sheet, this could cause the trial balance to not equal out. Also, if you made a math error, this can cause a problem too.
Hence, it does not justify that
same amount in Debit and Credit side in Trial balance doesn't ensure the mathematical accuracy of financial transactions.