Non-subsidised LPG now costs Rs 1,003 per 14.2-kg cylinder in the national capital, according to a price notification of state fuel retailers.
The deceased has been identified as Nek Raj, a resident of Jalalabad tehsil in Punjab's Fazilka district.
The victim, Kajal Jaiswal (30), and her daughter died in the explosion that took place in Ayata village of the district around 7.30 am, an official said.
The persons, aged 18, 19 and 22, suffered burn injuries and they were rushed to a private hospital for treatment, he said.
