Hello. Relax. Diagnosis at 3 years of age is very difficult. There is no test to confirm. You need to have strong mind and will power.et him take feeds as he like it. No strict discipline. Let him play, draw pictures any thing he likes . No force. No rule. You can teach him swimming. 21times olympic gold medalist in swimmimg has same problem. But he has turned out to be chamlpion and goldmedalist at olympics. It will help you to make some thing like this. Let him eat what he like keeping some restrictions in your mind. Treatment is behavior therapy and drugs. At present start with behavior therapy.. Are you satisfied. Consult again on video through Practo. Keep up his nutrition and healthy happy environments.Take care of mosquito to protect against malaria and Dengue. Follow all precautions against Covid. Stay athome safe.

Greetings kindly book a consultation so that I can discuss in detail.