The organisation previously had various geographical units located at Sion (head office), Dombivali, Nashik, Panvel and Pune.
In addition each unit also runs its own library where members can avail of books on astronomy and related subjects.
The unit-head prepares monthly accounts, conducts inventories and arranges for all administrative requirements of the members.
[2] In addition to the above units, the Mandal (as it is affectionately called by its members) owns land at Vangani in Thane district of Maharashtra state of India.
The months of July, August and September are avoided which coincide with the Southwest Monsoon season in India.