Consider the following statements about labour law protections available to casual workers in India:

1. All casual workers are automatically covered under the Employees' Provident Fund scheme, regardless of the size of the establishment.

2. Casual workers are entitled to regulated working hours and overtime payment under labour laws.

3. The government can notify that certain establishments pay wages to workers only through bank accounts, under the Payment of Wages Act.

How many of the statements given above are correct?