ACP Dharm Pal (South) said that Ashok Kumar, 45, who was critically injured in Thursday's cylinder blast died today at PGIMER, Chandigarh.
Five others who were seriously injured are being treated in different hospitals in the city.
On Thursday, a gas cylinder exploded at a residence in Samrat Colony of Giaspura area of Ludhiana in which 34 persons received burn injuries.
His wife Sunita, 40 and son Raj, 13 died in the incident. The couple's two daughters Kajal and Pooja are also undergoing treatment at the same hospital. Both are in critical condition.
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