ROLPA, Feb. 20 -- After more children started falling ill, parents have deployed shamans at their school since the past two months. Pitaraj Basic School at district headquarters Liwang had remained closed for days after more school children started shivering and falling unconscious while in class.

The school is just 100 meters from the district hospital.

The children are approaching their final exams but they have not been able to attend classes regularly.

Initially, the problem affected only children in the sixth and seventh grades. However, it has now become more widespread. "We have not been able to teach properly since two months," said Lila Acharya, the school principal, adding, "We have our hands full just taking care of them and...