Making 1 bitcoin with zero balance and in one month. Its going to be pretty hard, unless you get lucky on some gambling sites or trading. But for that you would need to spend a lot of time on the faucet sites.
Faucets is just for the begginer and the time comes that you get tired doing that and you will find much better method to earn bitcoin.
And if your target is 1 bitcoin in a month you should need to invest more than 1 bitcoin and do trading because your earning will base on the amount of your investment.