Thanks for your query.
You have androgenic alopecia
General measures to take- improve your diet with leafy vegetables, fresh fruits, plenty of water, sprouts, pulses, high protein diet, avoid items with high sugar content like sweets & chocolates, less of Chinese foods, less of pizza & burgers, more of milk & ghee, dry fruits. Good sleep also has an important role to play.
After proper diagnosis one can start with topical preparations like Minoxidil
2%-5% applied twice daily on scalp along with tab biotin one daily other hormonal
medicines are also available if needed. If baldness
sets in, then one can go for hair transplantation