Greetings. Please go for only breast feedings. You are not aware of its goodness. It helps to prevent so many diseases even in future. Take care of hydration. Add banana mash. Add cereals. And stress free healthy environments. No shouting or abusing or arguing.

Give hallens infant suppository (1) once a day for 3 days which will help hime to pass stools. Give cyclopam drops 0.5ml twice a day for 3 days for stomach pain. Please avoid formula milk and also packaged food like cerelac. They are not as beneficial as home cooked fresh food. Give khichdi, mashed potato, sheera, upma, idli, fruits, mix green vegetables in dal rice.  Type baby food recipes  7 months india in google and you will get many options. Websites like Tarla dalal give many options