Is there any way to extract twitter handles, bio and location of people following a account?
Yes, this information is publicly available from the Twitter REST API. You will need to register an application on https://apps.twitter.com. You can make the calls with Python or R.
My R example:
library(twitteR) # install.packages("twitteR") # Authenticate api_key <- "a" api_secret <- "b" access_token <- "c" access_token_secret <- "d" # This creates an auth file in your working directory, so you will need to run this at least once before your first ever load. setup_twitter_oauth(api_key, api_secret, access_token, access_token_secret) # Get the page information yourUser <- getUser("ConsolidataLtd") # Get that user's Twitter followers. yourUser.Followers <- lookupUsers(yourUser$getFollowerIDs()) yourUser.Followers <- twListToDF(yourUser.Followers)