Following the banvir wall on chittorgarh fort, you can reach at topkhana building. It is also called Nau kotha magazine.
Here a big tank of old time is kept for viewers.
There are some small tank also kept. This building is now the office of Archaeological Department of Government of India.
The maintenance and repairing work of the monuments on chittorgarh fort is executed by this department.
There are many renovations are done by ASI chittorgarh in which old statue and different related stones are placed in much better way to keep them preserve for long time and easily viewable for visitors.