Explanation:

National Voluntary Blood Donation Day is celebrated on 1st October of every year across the country. It aims to raise awareness about Blood donation and promote voluntary Blood donation in the country.
The theme for this year’s Blood donation event is “Give Blood and keep the world beating”. On this day various public and private organizations hold Blood donation camps and awareness activities.  Our country needs around 1.45 crore units of blood every year. Collection of blood is done through 3500 licensed blood banks across the country.