thank you everyone..for clearing my doubts

ankita .. this is not only... he is doing absolutely well...3.8 to 6.8 in 4 mths... aur kya chahiye.. he is doing amazingly well...

during his birth weight was 3.8 kg and now he is only 6.8 <u>kg</u>

Depends on birth weight.hope this <u>helps</u>.

You can track on weight tracker on the app too.