Hi thanks for posting your query.I have gone through your details and according to me weight gain or weight loss depends upon BMR rate ( basal metabolic rate).You have to keep your metabolism strong by eating proper balanced diet and practising yoga and pranayam. Here are few remedies which you can follow for reducing weight fast UDVARTAN is very effective procedure in panchkarma for reducing weight fast.You can have this procedure at ayurvedic panchkarma centers. Yoga as an as and pranayam are very effective to reduce weight if done under proper guidance. Power yoga is also effective. As you want to know various herbal medicines for reducing weight .These are medohar guggul,arogyavardhi nivati,trikatu churn,triphla churn,triphla kwath,aloe vera juice,amla juice. I am also suggesting home remedies and diet Consume aloe vera and amla juice empty stomach . Have 1 tbsp trikatu and 1 tbsp triphla churn daily with lukewarm water. Have a low calorie diet. Limit the consumption of sugar rice potato,mango,litchi,grapes,banana in the diet. Take a light nap after a noon meal. Hope this answer is useful to you Take care & Best wishes! Regards Dr.Pallavi