It is also suspected that Ravi was suffering from dengue, though hospital authorities said, 'medical report is still awaited'.
Villagers draped his coffin in a tricolour, saying he had been martyred protecting "Hindu values".
All Delhi government, aided, private and schools run by civic bodies will remain shut, said Sisodia.
Dengue menace continued to rattle Delhi with a six-year-old boy and a woman succumbing to the vector-borne disease, raising the toll to 11 even as Chief Minister Arvind Kejriwal said his government was mulling bringing a law to enable temporary takeover of private hospitals during emergencies.