If you have used the bottle the baby gets used to it. Another thing is the taste of formula is different as compared to breast milk. Completely stop use of bottle. While you work towards increasing your supply by frequent feeding and expressing offer the baby formula with a vati and spoon. Bottles can cause infection colic over feeding nipple confusion jaw development issues etc.

Hi Jyoti. You should continue to give your milk. Maybe baby is full. Please do not stop or replace your milk. You can increase your supply by taking satavarex and by expressing milk. Do avoid bottle. Please refer to our articles for useful tips. Sharing one such article http://app.babychakra.com/article/160

Dr said this does not happen generally