Alternative treatment for Depression?

68 years old male patient with known case of DM & Major depression disorder has come for checkup. Complaints- Anxiety, No interest in doing daily works, Weight loss- 3 kg in 1 months, Recent Examination- RBS- 150mg/dl, Chest- NAD Abdomen- NAD Genito-urinary- Incomplete evacuation of bowel and increased frequency of urination specially at night, D/N= 5/3 Sleep- disturbed, feeling of restlessness at night He is kapha vata prakriti with madhyam agni bal. What can be done in this case?