"Law and order is totally state government's accountability... Though the scheduled castes and scheduled tribes have constitutional protection, this issue is completely state government's responsibility," he told reporters here.
Two children died when their house on the outskirts of Delhi was set afire allegedly by a crowd of upper caste men in the wee hours yesterday.
Vaibhav, who was two-and-a-half years old, and his sister, 11-month-old Divya, died on the spot after the attackers allegedly poured petrol and set the house ablaze.