See hairfall is the symptoms and i can understand ur concern as your age is only 22....it may be due to other reasons also....According to Ayurveda it is related to pitta dosha...multiple vitamins may do but due to some extent it require s a complete treatment....Ur Hemoglobin is low it may be the reason...low
calcium will be the reason...if u have acidity so something it may be the reason....look for constipation also....i m prescribing some basic medicines but detailed history also required for the same....
Next Steps
1) Suthshekara 2-0-2
2) GH vati 0-0-2
3) Asthiposhaka vati 2-0-2
4) Tricofit hair oil for LA
5) Bhrungaraj asava 3tsp-0-3tsp