What is a suspense account? Is it necessary that suspense account will balance off after rectification of the errors detected by the accountant? If not, then what happens to the balance still remaining in suspense account?

Solution:- Sometimes ,in spite of best efforts of an accountant, all the errors are not located and the Trial Balance does not match. In such a  situation, to avoid the delay in the  preparation of final accounts, the difference in the Trial Balance  is place d to a  newly opened account known as “ Suspense Account’ and the trial balance tallies. If the debit side of the trial balance exceeds the credit side , the difference will be put in the credit side of suspense account and if the credit side of the Trial Balance exceeds the debit side , suspense account will be debited. After      Including  the Balance of suspense account in the Trial Balance.

No it is not necessary to balance off the  balance remaining after error detected by account. If suspense account show balance ,it will be taken to Balance Sheet – on the asset side if it is shown a debit balance or on the liabilities side if it is shows a credit balance.