Police have added charges of criminal conspiracy, culpable homicide, attempt to commit culpable homicide, mischief by fire, and house trespass to the first information report (FIR).

Tughlakabad fire that killed 3 'was arson, not accident', Delhi police arrest minor, 3 others

Though, the exact cause of the fire is yet to be known, several reports say that an AC blast in the building led to the blaze.

At least 9 dead as fire breaks out in a residential building in Delhi's Vivek Vihar

An 83-year-old woman died and her granddaughter sustained injuries after they jumped from the fourth floor of an apartment building in the Indian capital Delhi’s Dwarka locality following a massive blaze that erupted in their house, said police, on Wednesday (Feb 21).

India: 83-year-old woman killed, another injured after massive fire erupts in Delhi building

The family members died of suffocation, an official from the Delhi Fire Service said, adding that three other people were injured

Delhi: 4 killed in major fire in building