The Kolsewadi police said that the incident took place shortly before 6.45 am this morning when they poisoned two of their children namely, six months old Gurumurthy and one-and-a-half year old Alberu, to death.
Later the couple attempted suicide at their residence in Hanuman Nagar locality in Kalian East, the police said.
The Kolsewadi police said that a case of accidental death has been registered and bodies of the two kids have been sent to the J J Hospital for postmortem.
The Kolsewadi police will take further action only after the postmortem report, he said.