Respected sir,

There are many methods both pharmaceutical as well as induction and therapy.. The majority of the cases suffer from aute depression  and for these cases here in India we prescribe SSRI and NSSRI.. These are anti anxiety drugs.. Most commonly used are Fluoxetin and Alprazolam.. The drug effectively calms the patient but has to be taken on year long basis as it has a very severe withdrawal effect..

Other methods less often used are the use of electric currents as in Electro convulsive therapy which effectively alters the EEG pattern.. However it has its own side effects.. There is also the use of music as a therapy for alteration of brain waves but is not routinely practiced here in India so I donot have knowledge regarding that..

Regarding PTSD.. Here in India the main stay treatment is psychiatric counselling and the use of the above mentioned drug and careful monitoring of the patient..

Hope that answered your question.