Hello Friend, Good that you are seeking a help. I think you are emotionally weak and linking your day to day struggles to your deep rooted emotions like your father's death. This will unnecessary aggregate your depression further.
You may need a guidance of counseling support to first assess your current emotional stability . This will help to figure out the right technique to overcome such depressive feelings.
Next Steps
Consult a psychologists directly or online. Feel free to reach out to me online through Practo app chat for further detailed evaluation and suitable solutions that you can follow practically to overcome this problem. Be confident. You will be alright soon.