my girl baby is pre birth child she crying at evening and night what can I do

A. Crying of a Baby is mostly because of infantile colic and gas related discomfort whigych is there commonly in night . It can be relieved by medicine like colicaid or gastica drops containing dil oil and feniel oil with semethicone. other reasons could be hunger any illness, nasal dblockage, ear pain, diaper rash and sometimes more conditions which needs to be ruled out and managed accordingly .