heloo sir

i have blesssed wit a baby girl one and half mot before . at birth we ave vaccinated our baby as per our doctor 2 days before we vaccinated te baby for DTwp ,POLIO, hib but injection was very painful ..baby was persistently cry over nit and she was feeling very uncomfrtable....we ave recently heard about the painless injection .....but some people says the it as not as prevetive as painful......please give me proper advice