A significant cavity formed on Kanteerava Studio Main Road in Bengaluru after heavy rainfall.
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BENGALURU: A television reporter literally climbed inside a Bengaluru road to demonstrate how dangerous a giant cavity had become — and the bizarre sight exposed a “natural tunnel” running underneath the carriageway. Residents said the stretch had been deteriorating long before the latest rains. The road has been in bad shape for years, and the rains only made things worse,” said Deepak Gowda, a regular commuter. Shwetha R, who travels to Nagarbhavi daily for work, said the stretch is dusty in dry weather and hazardous when it rains. Filling them with construction debris is not a solution — it only creates another uneven surface,” she said. Naveen Kumara M, a Kamakshipalya resident who regularly uses the road on his two-wheeler, said the condition was particularly surprising given the importance of the route. People keep asking what it will take for the authorities to asphalt even this short stretch,” he said. Some commuters said they had begun taking longer routes to avoid the damaged corridor. Gowda said residents had repeatedly escalated complaints about the road. We are absolutely sick of it,” he said. Bengaluru West City Corporation commissioner Rajendra KV said the civic body had already approved funds for the road under the Special Infrastructure Project and was preparing to asphalt it. Once the rains subside, we will take up the asphalting work at the earliest,” Rajendra said.
The cavity opened up on Kanteerava Studio Main Road after two days of heavy rain. Instead of remaining a conventional pothole, the road had given way from underneath, leaving a hollow passage beneath the surface. The reporter was able to sit inside the cavity as motorists carefully squeezed past the damaged portion. The video quickly drew attention online, with commuters and opposition leaders questioning the condition of Bengaluru’s roads. The underground cavity was created as rainwater, unable to drain properly, began flowing beneath the road. The force of the water eroded the soil and road structure as it moved towards a manhole, effectively carving out a tunnel below the carriageway. And the immediate solution? Officials began filling the cavity with broken concrete blocks and construction debris. The incident has brought renewed attention to the condition of the less-than-one-kilometre stretch between Surana College and Nandini Layout. The road is a key link between residential neighbourhoods and the Peenya and Yeshwanthpur industrial belts and carries heavy traffic every day. They alleged that repeated digging by utility agencies and inadequate restoration had left several portions of the road vulnerable. “This did not happen overnight. For motorists, the problem is not limited to the monsoon. “When the weather is dry, the stretch is extremely dusty. During the rains, motorists cannot even judge the depth of the potholes. “This is a major access road to the Peenya industrial area. Thousands of people use it every day, yet the road looks abandoned. “I am tired of even complaining about this stretch. It is just irritating. Look at that pothole. Are we even living in Bengaluru? I have been escalating the matter from the corporation to the CM and the chief secretary. Forget normal two-wheelers and cars — not even off-roading vehicles can survive this stretch. The plan, however, had been complicated by B-Smile (Bengaluru Smart Infrastructure Limited), which had proposed taking up the stretch for whitetopping. “We were almost ready to start the asphalting when B-Smile intervened, saying it would take up the road for whitetopping. B-Smile director (technical) BS Prahlad did not respond to calls or messages from TOI. Download the TOI App.
When TOI visited the spot on Tuesday evening, the filling work was still in progress, while traffic continued to move around the damaged portion. He said the pothole was visible on Monday but became much deeper after the heavy rain. However, following today’s incident, we have told B-Smile to take up the whitetopping after three to four years, while we will proceed with asphalting now.

