Consider the following statements about the agro-climatic zones of Punjab:

1) Punjab falls under the Trans-Gangetic Plains Region, classified as Agro-Climatic Zone VI.

2) This zone is characterized by fertile alluvial plains suitable for diverse agricultural activities.

3) The region experiences both the Arabian Sea and Bay of Bengal branches of the monsoon, contributing to its moderate rainfall.

4) The south-western districts of Punjab have a higher forest area intensity compared to other parts of the state.

Which of the above statements are correct?