Consider the following statements regarding Shadow Banks.

1. These Banks are included in the 2nd schedule of the Reserve Bank of India Act.

2. They are subjected to the criteria of schedule banks and they also enjoy the benefits of Reserve Bank’s support.

3. Shadow banking is considered as one of the primary factors in the sub-prime mortgage crisis 2008 and the global recession that followed it.

4. Since products offered are diverse and complex, not regulating them in the long-run may pose a threat to the stability of financial system.

How many of the statements given above are correct?