Harsh, who lived in Ambala and had come here with his family to attend the function, died in the mishap last night, police said.
"The incident took place around 9:30 PM when Harsh was standing beside the coffee machine. He was charred after the machine burst suddenly," a senior police officer said.
The boy was rushed to nearby GTB Hospital where doctors referred him to Safdarjung Hospital. However, he was later shifted to the Max Hospital in Saket, the officer said, adding that he died during medical treatment.