Loss of interest, decreased concentration and attention, feeling low and disturbed sleep or appetite are some of the signs of depression. Consult a psychiatrist who will assess you in detail. If you are feeling suicidal or hopeless, seek professional help immediately.
Try some relaxation techniques like yoga, meditation and deep breathing. Indulge in hobbies. Spend time with people close to you.
Next Steps
It is common to feel this kind of turmoil at some time or the other. However if it makes you feel suicidal or hopeless you need professional help immediately. Take the first step to consult a Psychiatrist; it will be your first step towards mental well being. You may contact me for further treatment if required.