Require help on forecast tree and forecast level

Here below is given the item order and location order which is already defined in the forecast tree items order is item lowest level => product group => segment => BU => highest fictive level location order  is location lowest level => location => operating unit => highest fictive level Also the forecast levels with relation to item and location are mentioned

Forecast level    item order     item level                   location order    location level

1                       1                     lowest item level            1                      lowest location level

2                      2                      product group                2                      Organization

3                      3                      segment                       2                      Organization

4                      4                      BU                              2                      Organization

5                      4                      BU                              3                      Operating Unit

6                      5                      Highest fictive level       4                      Highest fictive level

The requirement is item at all india level ?

The new tree would look as mentioned below