The incident took place last night when Reddimalle Shyamala an employee of Medak municipality took the extreme step with her kids, due to financial problems, they said.
While Shyamala's 6-year-old son Nandishwar and 4-year-old daughter Spandana died, she survived the suicide attempt.
This morning the woman along with her mother again tried to end her life by jumping into a local water tank.
Shyamala's mother Rajamma (55) drowned but passers-by saved her following which she was admitted to a hospital in the district.
