This incident of school children behaving abnormally happened in a school in Andhra Pradesh, which was once used to store COVID-19 bodies.

Original review summary

The review identifies the video as showing an incident at Bhuvaneshwari School in Sigas, Baitadi, Nepal, not Andhra Pradesh. It says the reports it examined did not mention the school being used to store COVID-19 bodies or having a nearby graveyard.[S1]