Hair thinning and hair fall are very troublesome and I completely understand your frustration. But to be able to help you your hair and scalp need to be examined. You will have to restart Minoxidil and continue it to maintain whatever hair growth you get. And There are medicines which add to the effect of Minoxidil. Plus, depending on how much of your scalp is visible you the medicines (oral and topical) change. So please visit an allopathic dermatologist near you. You will benefit. Till then you could get your serum get your serum
ferritin, serum
TSH levels done. Sometimes low hemoglobin and hypothyroidism can cause incessant hair fall.