What steps should you take to safeguard themselves from Bitcoin fraud?

The basic advice is that you should not invest in anything that you does not understand. There are many schemes and scams available around bitcoin mining. A blockchain is a high-risk technology, it has potential, but we never guarantee anything. There is no way as a guaranteed return in the Bitcoin world. On the Zebpay home page, there is a section that lists about frauds and schemes and advises users on how to protect themselves.