Karnataka government has announced a compensation of Rs 5 lakh to the kin of the deceased and Rs 50,000 to the injured.
The residential buildings partially collapsed at a congested locality in Ejipura area of Bengaluru, the capital city of Karnataka.
The deceased are identified as Saravana (31), his wife Ashwini (27), who was eight months pregnant, Kalavathi (68) and Ravichandran (45). "Two families were living on the first floor", Home Minister Ramalinga Reddy who was present at the spot told reporters. The three-storey building, which is more than 30 years old collapsed due to the explosion.More news: UNESCO: The UN's educational, scientific, cultural agency
Rescue personnel pulled out three people from under the debris and rushed them to nearby hospitals.
They started search and rescue operations after it came to light that some people may still be buried under the debris of the house, which was said to be 20 years old.
Eye-witnesses said the blast took place at around 7 a.m.More news: Diplomacy to continue with North Korea 'until first bomb drops,' Tillerson says
Personnel of the fire brigade and National Disaster Response Force recovered the bodies including that of two women.
Meanwhile, the authorities managed to rescue a three-year-old girl from the debris of the building.
Along with the Home Minister Ramalinga Reddy, Bengaluru Mayor Sampath Raj is also at the accident spot.More news: Virgin Hyperloop One announced
"Two families were residing on the ground floor, while one was on the first floor". According to reports, the building began to tilt after the pillars of the building developed cracks after being battered by the rains the previous night.