World Down Syndrome Day is celebrated across the world every year on _______ date ?

(a) 19 March
(b) 20 March
(c) 21 March
(d) 22 March

It is an initiative taken around the world since 2012 and observed every year on 21^st March. Down Syndrome International linked up with several national charities across the world to generate activities and events to spread awareness and provide support to the patients suffering from Down syndrome. It also makes people understand the reason behind the disease, symptoms and treatment.