Talk to Endocrinologist on Weight Is Not Decreasing

Assalamualaikum, weight 82.height 5.2 Main kaafi achay se apni diet follow kar rahi hoon. Main roti properly measure karke leti hoon (around 60 grams) rice b around 160 gram. fruit b 100 gm Oily aur junk food avoid kar rahi hoon Daily تقریباً 1 hour walk bhi karti hoon Is ke bawajood mera weight properly kam nahi ho raha ya bohat slow hai.82 py atki hoi hun. 1 kg kam hota hai pani zyada pi lo tu wo b wapis a jata hai. main 75 karna chahti hu. Kindly guide: Is ki kya wajah ho sakti hai? Kya koi medical issue ho sakta hai? Kaun se tests karwane chahiye? Weight loss fast aur effective karne ke liye kya changes karun? Thank you.