30 March 2011
depreciation as per income tax act is on wdv basis excpet for power generation companies and in case of companies act both options are there.
see this link for rates income tax http://www.rrfalod.com/OtherpageTheme2.aspx?TYPE=HORIZONTAL&CompanyID=0&PAGENAME=RATES%20OF%20DEPRECIATION_2&Parent=Utilities&Current=Rates%20of%20Depreciation%20Under%20Income%20Tax%20Act
30 March 2011
The only one method of depreciation under tax act is WDV method. Undertaking engaged in generation or generation or distribution of the asset can depreciate their individual asset on Straight line method.
Option for changing method of Depreciation (SLM to WDV)
The above undertaking can claim depreciation under WDV method on block of asset basis. Such option need to be exercised on or before filing return of income Asseseement relevant to the previous year.
Under companies Act
There is a choice availabe as far as assesee is concerned.He may can adopt SLM or WDV method at the respective rate prescribed under the Act..
31 March 2011
Another copy paste of reply. If vivek u are so keen on replying there are many unresolved queries. Try answering them rather than copy pasting the above experts reply and rephrasing it and then posting.