I have two instance of odoo at different location in server 

First instance code is inside /usr/lib/python2.7/site-packages/odoo and  the second instance is inside /usr/lib/python2.7/site-packages/odoo1 folder and each one have its own conf , log and service files. 

While starting the first instance it takes the addons from its own addons folder (specified in the conf file)

But while starting the second instance it takes addons from first instance also, i dint specify that location in conf but it takes the addon location of first instance along with the addon of its own.How i can restrict the second instance to take the addon from its own folder