Which of the following statements are correct about the Sea Ports in the State of Andhra Pradesh?

1. IGoAP has recently declared Krishnapatnam Port as a Major Port.
2. IIKakinada SEZ Port is being converted from captive port to commercial port through Swiss Challenge Approach.
3. IIIGoAP has declared Nakkapalli Port as a Minor Port.
4. IVVodarevu Port is being developed on Build, Own, Operate and Transfer (BOOT) basis.