Hi. I went through your query in detail and understand the situation you are facing. From what you have mentioned, it seems you are suffering from social anxiety disorder which is further leading to depressive symptoms. Considering the fact that you are having suicidal thoughts, you need to seek treatment at the earliest. Treatment with medications and psychotherapy in form of Cognitive Behaviour therapy can help you in coming out of your current situation and feel better.
Next Steps
Seek a psychiatric consultation and get yourself completely evaluated.
Health Tips
Talk to someone close about your problems. Sharing your thoughts helps in reducing some anxiety and feel better.