Halo Himanshi, most important for you is to feel good and not be critical about yourself. Ture, you have certain issues with your emotional states that at times seem to scare you. Have you considered seeing a psychiatrist or a clinical psychologist. Nothing wrong with that. Seeking help or support is a way of coping with health problems.
Next Steps
Try out aerobic exercises everyday. Practise journaling your thoughts and emotions as frequently as you can. What are your hobbies? Try to nurture those again. socialise in person as much as possible and share your issues with anyone you are comfortable with.