When on treatment for hypothyroidism tsh levels should be between 3 to 4 milli units / ml, to be in control and free from symptoms. If you achieved that then all symptoms including hair loss
will stop. Of all the symptoms hair loss is the last one to go. Plus I am sure you are following the dosing guidelines of taking thyroxine tablets early morning on empty stomach and nothing to be taken after that for 2 hours. This has to be followed always. Secondly avoid soy beans, soy containing products, cabbage, cauliflower, broccoli, radish, peanuts, mustard and coffee. Consume more of green leafy vegetables, salds and fruits. Use whole grain flour for chapati and roti, avoid refined flour like maida. Avoid high fat milk products. Your dietary intake has to be based on your ideal body weight (58 kgs). Calories 58 x 25 = 1450. Plus since you want to loose weight, another 500 k cals should be less. So daily intake has to be just about 1000 k cal.