Talk to Pediatrician on No Eating Habit

My 3 yr 3 months old is not a good eater. He take only glass of milk at night, in fruits only banana sometimes, morning bread with butter or cereal. Anda khilao munh sy nikal k phaikh daita hai Kabhi kabhi roty ya sada chawal khalaiga per sabzi gosht anda kuch bhi nahi khata. Sub munh sy bahir phek daita hai

Aesy mein iski immunity strong karny k liaye kya do.. Kisi ny kaha hai khoon ki ur iron ki kami hai isliaye bhook nahi lagty. Covid k cases bhi increase hogae hai ur aesy bachy jo kuch na khatay hn unki immunity strong karny k liaye kya daina chahye