BHUBANESWAR: Yesterday's pledge by hundreds of students on Global Hand-washing Day (GHD) at Janla Nodal UP School might be just another event for many. But the school certainly has become a role model to spread the message of total sanitation. The school has taken the sanitation drive as part of curriculum for its students. Even for Nitali Sahu and Rashmita Behera (Class VII), taking the message learnt in their classrooms or at a meeting to their respective villages, is another joy