The hair cycle normally consists of growing, resting and falling hairs and there is a delicate balance between these stages of hair cycle. Normally hair should re-grow but if it is not happening, you should consider seeing a dermatologist.
Further information is in the following weblink
It is difficult to name a particular brand on public platforms.
Your dermatologist will decide a treatment plan for you after a consultation.
You can consult me on Practo Direct for personal recommendations.