Hi Shilpa welcome to this site and thanks for posting your query .As you have mentioned that you are suffering from
hair fall since 4 years,I want you to know that there are many causes for hair loss which includes
stress,nutritional deficiencies,
thyroid,
allergy to chemicals.
According to my opinion increased intake of Sour,spicy,fried,salty,fermented food,tea coffee aggravate heat in the body which accumulates in skin of scalp leading to hair fall and grey hair.I am suggesting few effective remedies which you can follow
Avoid pitta aggravating foods like spicy,heavy,oily as well as tea and coffee.
Consume food which have cooling effect on the body like coconut,gulkand,coriander,mint.
Have a mixture of amla and sesame seeds in equal amount.Take 1 teaspoon twice a day with water.
Increase intake of fresh fruits,fresh vegetables,salads,alkaline food.
Avoid using chemical products on the hair.Try herbal oils and shampoos instead.
Take 1 tbsp bhringraj churn with lukewarm water daily.
Massage your hairs with brahmi and bhringraj oil twice a week.
Practise yoga and pranayam daily.
Hope this is useful to you.
Take care.
Regards
Dr.Pallavi