Hi Doctor, My Baby Got Used To Bottle Feed (Lactogen

Hi Doctor,

My baby got used to bottle feed (Lactogen 1). Since I'm not getting enough milk.

1. I'm taking satavrex granules as well, still not able to get enough milk.please suggest me ways to increase breast milk

2.Baby stool is very hard and also having gastric problem.
My friend suggested me farex 1.. please suggest me some good formula milk for baby..

3.my baby hardly sleeps not more than 1.5 hrs at a time , and we feed him for every 2 hrs. His birth weight is 3.1kg and after.1 month he has put on only 0.9 kg..is this normal ?or is he under weight...