Talk to Pediatrician on Baby's Behavior Towards Solid Food

Assalam u Alaikum to all; meri bhateeji js ki age 15 months & weight 9 kg hy. Uska problem yh hy k wo milk k ilawa kch nhi khati aur peeti abhi tk. Aur milk bhi just 2 sy 3 feeder 1 din mein aur just 1 feeder rat mein. Hum ny her trha k new new flavour try kiye; but wo kch ni khati. jo cheez khany ko den to wo phly usko teeth m dba k smell check krti hy. Milk ki smell light c b change ho gi to wo milk tk peena chhor deti . Zbrdsti den to teeth dba leti & vomit kr deti hy. Jis ki wja sy wo bohat weak hy aur sometimes gas, constipation & motions vomiting bhi ho jaty hen. Hum ny different pediatricians & nutritionist sy bhi consult kia hy. Unho ny blood tests (CBC, calciuun, vitamin D, vitamin B12, Ferritin & TSH) krwaye jo sb normal aye. 1 pediatrician ny appetite stimulants recommend kia tha. Us sy just yh hta hy k wo milk zyada peeny lg jati but solid food phir bhi bilkul nhi khati. Respected pediatrician or other concerned dr. kindly suggest me how can we change her behavior towards s