It's normal
Usually 100 hair strands falls per day
Next Steps
check the root of hair see whether it has white or black bulb if white bulb it's normal if black it's abnormal go for dermatologist consultation they probably prescribe u minoxidil but dose depends on your hair condition
Health Tips
if u have dandruff use ketoconazole shampoo twice in a week ,apply oil to hair only about 30 minutes then rinse it