You need to reverse the entries for excess depreciation - Debit Accumulated Dereciation and Credit Depreciation Expense
Assets can be devided in to two types. they are Fixed assets & Current Assets. Fixed assets are those which can be used by the organisation in long term. For example Land , plant & Machinery , Buildings etc. being the assets are put to use continueously, the value of the fixed assets decreases which is called DERECIATION. Depreciation is calculated as per the Rates prescribed by the Income Tax Act 1962. Current assets can be defined as those which can be converted in to cash with in one year. for example Bank Balances, Debtors, Stock and Accounts Receivable etc.