Ramesh Bhanushali, the owner of the shop in Sakinaka-Kurla area, was arrested late last night.
He was produced before a magistrate in suburban Andheri, who remanded him to police custody till December 24, a senior official attached to Sakinaka police station said.
The blaze erupted in the 'Bhanu farsan (snack) shop' in Makaria Compound on the Khairani Road around 4:25am yesterday following which the structure collapsed.
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