Regular oiling makes hair smooth and prevents hairfall which is due to hair breakage.Average daily normal hairfall is 100-150 and anything above that needs attention.We need to find the exact cause of of abnormal hairfall which could be
thyroid,
vitamin deficiencies, etc etc for which we have do few blood tests.Also some cosmetic procedures like straightening, rebonding, perming can damage your hair which breaks easily. Once we know the root cause usually it takes around 2 months to control hairfall and another 2-3 months to recover density.
Get proper assessment done by qualified dermatologist for exact cause of your hairfall.
Read article "Routine Hair care is not rocket science" on my practo page