The Scorpion Bite

Anta and Banta are told by Kulkarni to stop Madhav from teaching the students out in the open so they drop a scorpion in one of the student's bags which bites Madhav. Sant Devi Das Ji comes back to Shirdi. Everyone takes Madhav to Sai but Sai refuses to treat Madhav. Why is Sai behaving like this?