my 71 days old baby is not sleeping from afternoon onwards, how can I make him to sleep can anyone help me.

A. know why baby cries. gas is a common issue and affects all new born babies. avoid bottle feeding . Burp baby well for 15 mins after each feed. Can do cycling motion of legs. Can make baby lie on tummy to relieve gas. Give gastica drops 1 ml for ease. Colic pain is worse at night and needs drops meftal spas 1 ml . Give mother feeds only