Usually it will be due to gastric problem... Stomach ache. Make sure to burp baby properly after every feed and also give 2-5 mins of tummy time. ( Don't over staton baby). Let not baby be carried all the time and handled by too many people. Make sure he is not taking air while latching..

May b colic... And some babies tend to b cranky at the evening time too. So see if baby is colic.<br> Start giving some tummy time. Apply hing paste around the navels and massage tummy in clockwise direction.

She has colic. I'm sharing a youtube link to instantly calm the colicky babies. Try this: https://youtu.be/j2C8MkY7Co8