Asked for male, 19 years old from Hyderabad
You can chose to start with simple mindfulness exercises. Progressive relaxation techniques, begin with simply standing in morning sunlight for 3 mins. Gradually increase it 1 min in each 5 days.
These are the foundations for handling lower states of brain.
Regarding leaving medicines you have to do it under the guidance of your psychiatrist, attempting it on your own can be hazardous.