Dharmapuri district/1900-1919

I am looking for .. how the villages in and around Dharmapuri formed. Particlary a village named A.Gollahalli PIN 636704. From where the people came from ??

There is one venkateswara temple in this village.. who has built this temple .. ??? which is 100 years old !

How come a small group of telugu speaking people along with one Family of Brahmin, one family of Muslim and One family of Barber and one family of waserman migrated ????