Tallys Detault
In Tally, while using inventory vouchers, such as Invoice, Delivery Challan, etc., after selecting the item, list of godown to be selected. Which is mandatory and it has full list of godown created in Tally. There is no filter or limited list can be created.

Use of this TDL
Using this tdl, in every voucher type, any parent godown can be linked. By which while passing entries using such voucher, the child of such godown only will be listed.