This policy brief assesses the coverage and factors influencing the administration of critical birth doses of vaccines in the state of Maharashtra, focusing on Bacille Calmette-Guerin (BCG), Hepatitis B, Oral poliovirus vaccine (OPV), and Vitamin K1. Utilizing Health Management Information System (HMIS) data from FY18 to FY20, the policy brief reveals critical patterns of birth vaccine coverage in the state.