Hair fall problem some advice required?

I am a 20 yr old male.there has been no hereditary problem linked to hair fall in my family.but since the past year, my hair has been falling lie mad- on the pillow,on the floor,everywhere.I consulted a homeopathic doctor 3-4 months ago and he prescribed me to shampoo it everyday and also gave me homeopathic medicine.I followed his advice and shampoo my hair everyday.but still there has been no stop to my hair fall problem.please someone give me advice as to what I should do.i reside in Delhi .can someday recommend any good hair specialist in Delhi.please somebody give me some advice