Consult ayurveda physician for proper diagnosis and root cause of ailment

Take black salt and ginger before meal

Yes.Raw crushed ginger 1spoon + pink salt 3 pinches + lemon juice half spoon- take half spoon from this mixture before lunch and remaining half spoon before dinner. If you have high pitta or high heat inside body it might give you burning sensation in stomach, In this case i suggest you consult ayurvedic doctor in detail for further advice.

U can take soups fortified with pipal, blacksalt black pepper and ginger