Disha 
If he doesn't drink milk try giving it as milk shakes with fruit purees in it. Skinny does not mean.they are weak. If the kid is active, achieving milestones and at the right weight don't worry about it

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Hii all. I m new to this app. I asked everyone, bt didnt get appropriate results. My 2.5 yr old son is vry skinny. He doesnt drink milk. What to do? Plz suggest hw cn he gain weight.