Income tax depreciation adjustment on sale/disposal

Hello
Is there only one plant & machinery in that block ???

More than one plant in books of Books of Account

Here is how WDV is calculated

Sr.No      Particulars                                                                     Amount in Rs.

1            Opening WDV of all the assets falling under one block      XXXXXX

2    Add: Asset acquired during the previous year and falling            XXXXXX
              under the same block

3             Total (1+2)                                                                     XXXXXX

4   Less : Money received or payable for the assets sold,
               discarded, demolished, destroyed during the previous
                year to the extent it does not exceed the value arrived
                at serial no.3                                                               (XXXXXX)

5              WDV of the block of asset (3-4)                                        XXXXXX

Charged deprecation @ 15% on the WDV value of the block of asset arrived at serial no. 5.