Hi every baby differs in achieving milestones wait your baby will gradually learn to do that, what all you give in the diet?

Weight is good...

Try to give a healthy diet which includes fruits,vegetables, green leafy,pulses,dairy products...
Weight gain foods like banana,potatoes,sweet potatoes, ragi,dairy products...

Avoid giving packaged foods...

For weight gain recipes,you can jus Google as mylittlemoppet or gkfooddiary, it has many healthy recipes...

When u start semi solids & solids after one month he will start gaining weight.Dont worry about weight now.its ok now.Eat healthy food, drink lots of water to more increase in bm .

Hi crawling comes by 9-12 months of age and some babies skip that stage too thus don't worry

Hi that's normal, baby weight should be thrice the birth weight by 1 yr of age

Hi teething period varies from baby to baby and may occur between 4 months to 15 months thus don't worry

Hi what was the birth weight of baby?

Hi is your baby standing or walking with support?

U can avoid moong dal pani.Give more to eat like softly cooked& mashed rice with ghee.Avoid biscuits too.Give ragi porridge.Mashed veggies like potatoes ,carrots .U can give idli, Dosa all mashed mixed with little water for easy swallow.Google for more info on food for 7 month old.His present diet is less that's y weight not increasing.

Hi that's normal don't worry