Hello Friend, Good that you are seeking a help here. As you have identified such emotional problems are affecting your day-to-day life, then take the next steps to address it.
Take a professional counselling support to assess yourself first. This will help you to figure out the reason for your depression and root cause for the same. Then you can follow any of the solutions that is suitable to your conditions like few lifestyle changes, self therapies, excersise, dietary changes etc.
Next Steps
Don't hesitate to consult a Psychologist directly or reach me online through Practo for further detailed evaluation and suitable recommendation that you can follow practically to overcome this problem. Be positive. You will be alright soon.