switch(selection)
        {
            case 'y':
            case 'Y':
                size++;
                printf("Contact Added......\n");
                return;
            case 'n':
            case 'N':
                memset(pb[size].name, 0, 32 + 1);
                memset(pb[size].mobile, 0, 32 + 1);
                break;
            case 'b':
            case 'B':
                memset(pb[size].name, 0, 32 + 1);
                memset(pb[size].mobile, 0, 32 + 1);
                printf("No Contact Added..... \n");
                return;
            default:
                printf("Invalid... default to N\n");
                break;
        }

        printf("\n");
    }
}