The children, aged 8 to 12 years, were grazing cattle and playing near a pit filled with rainwater when they accidentally slipped into it in Barmer district here, Shera Ram, a local Patwari, said.
In another incident, a 25-year-old man was swept away by heavy flow of water on the bank of a river in Pali district here, police said.
Pintu was taking pictures with his mobile phone when the incident took place, they said.