Hello.. Hairfall may be genetic or due to changes in weather,water like bore water,  food intake as in protein insufficiency,calcium deficiency, anaemia etc... I need to examine you for that...its better you consult a dermatologist... Make sure to have protein rich diet..have good green leafy vegetables, dry fruits, nuts etc..drink plenty of water too..Avoid excessive hair products...Oil your hairs regualr with coconut oil...Heated..Thank you