The Good outlet for all religeous books is " Nerlekar " book depot. this is opposite to Dagdushet Ganapati mandir, near Faraskhana police chowky, City post area.

You will find almost all Geeta press books here.

Try,

DWARAKA BOOK DEPOT
DWARAKA, A/12, Kasturba Hsg.Soc.
Alandi Road, Opp. Sathe Biscuit Factory,
Pune - 411015 ( Maharashtra ) - India

The Products and Services claim is,

Religious Books : All Books of Geeta Press Gorakpur Publication, Gajanan Book Depot's Publising Books, Yashavant Prakashan, Rajhansa Etc are available. General Books : Recipies Books Children Education Books Stories Books. Education Scientific Office & School stationery. Authorised Depot for Times of India, Indian Express Group of Publications. Maharashtra Herald.

There is another reference at ask me, and there will be more.
(there is also http://www.dwarkabooks.com/; appears to be unmaintained now).

^{not first hand, you'll need to check the place.}