Mumbai, Sept. 29 -- Four days after a catering services shop in Akurli caught fire due to a gas leak, three of the seven victims, Poonam Gautam, 28, Raksha Joshi, 47, and Neetu Gupta 31, died from their injuries on Sunday. After the fire was doused, Gautam was initially admitted to a private hospital in Borivali and then transferred to the National Burns Centre (NBC) a day later. "The initial hours after the incident were crucial. By the time we received her, infections had already started developing. She was not in a stable condition to be operated upon and succumbed to her injuries on Sunday noon," said Dr Sunil Keswani, director of NBC. Durga Gupta, 30, was also transferred to the NBC later, and remains in a critical state. Keswani said they would operate on her once her condition stabilises, but the chances were slim, he admitted. Raksha Joshi, 47, admitted to Kasturba hospital, was declared dead on Sunday morning. "The 95% burns on her body were too deep," said an official from Kasturba hospital. Three others, Shivani Gandhi, 51, Neetu Gupta, and Janaki Gupta, 39, underwent their first surgery last week. Neetu, who was scheduled to undergo the next stage of surgery on Monday, succumbed to her injuries on Sunday evening. Keswani explained that since their burns were covering 80%-90% of their body, only a third of the burnt dead cells could be removed and replaced in the surgery at a time using the skin from skin bank. Due to this, their surgeries have been planned in three stages, with the second stage to be completed next week. Manaram Kumacat, the cook, sustained only 40% burns, and will be treated with medicines and discharged soon, Keswani said....