Unique blood group, first discovered in Bombay now prevalent all over India

Year of discovery

Normal blood groups have H antigen Bombay blood group has H antibody

Unless tested for the H antigen, this blood group could be misunderstood for O blood group

They can donate red blood cells to other blood groups but can receive only from their group

Due to the rarity of the blood group, blood banks reserve the blood from the Bombay Blood Group for this group itself