President of National Blind Association from Jharkhand-Dumka, All the Visually Impaired brothers and sisters I have brought you information to all the people who are listening to Hamaari Vaani if anyone wants to buy a membership in National Blind Association by December 20th they can get membership they can contact Mukesh on his contact number 7463978958 Mukesh is saying you can the membership and take the advantage of the membership.