{
  "type": "article",
  "title": "Anger Erupts Over Plan to Fell 1,128 Trees for Hebbal 2.3-Km Tunnel Route",
  "summary": "A proposed 2.3-kilometer underground tunnel road in Bengaluru's Hebbal has sparked severe outrage among residents after civic authorities moved to ax 1,128 mature trees, threatening 278 bird species and fragile groundwater aquifers.",
  "content": "A sweeping infrastructure expansion plan in Bengaluru has set the stage for extensive ecological disruption across one of the city's vital green belts. Authorities have drafted a proposal to clear 1,128 mature trees to clear the path for a 2.3-kilometer underground tunnel road in the Hebbal area. Under this engineering plan, roughly 490 dense trees will be sacrificed for every single kilometer of high-speed underground transit. The proposed clearing directly impacts the verdant stretches along Bellary Road, the Veterinary College campus, and the vicinity of Hebbal Lake. Initiated under a project by the Bangalore Development Authority (BDA), the Tree Officer of the Greater Bengaluru Authority (GBA) has formally released a public notice inviting objections to the scheduled felling.\n\nCitizens Step In Over Absence of Geo-Specific Data\nThe publication of the official notice immediately triggered intense pushback from local residents and environmental advocates. A primary grievance voiced by citizens is that the civic authority's portal completely omitted critical specifics regarding the botanical species facing removal and their exact on-ground coordinates. Without access to granular location details and species mapping, community members pointed out that filing meaningful, precise objections remained virtually impossible within the regulatory timeframe. Confronted by this official opacity, citizens took the initiative to gather baseline ecological evidence themselves.\n\nOver a rigorous two-month period, a dedicated team of 21 volunteers executed a comprehensive ground-level survey of the entire corridor. Leveraging the collaborative scientific platform iNaturalist, the volunteers documented and geotagged massive banyan, peepal, ficus, and cannonball trees alongside nesting habitats of spotted owlets. By compiling precise photographic and spatial records, the community directly presented verified field data to authorities, laying bare the real biological footprint of the proposed civil works.\n\nRich Haven for 278 Bird Species Threatened by Cut-and-Cover Method\nEcological researchers have emphasized that the contiguous foliage spanning Hebbal Lake and the Veterinary College campus acts as an irreplaceable natural green corridor for regional wildlife and avifauna. Official records from the global bird repository eBird corroborate this richness, cataloging 183 bird species near Hebbal Lake and another 95 within the Veterinary College grounds, bringing the documented total to 278 distinct species across the impacted zone.\n\nEngineering blueprints indicate that the underground road will be executed utilizing the cut-and-cover construction technique. Specialists warn that this method involves excavating wide trenches from the surface downward, a process that will permanently sever and rip out extensive, centuries-old root networks. Replacing continuous living soil and subsurface root networks with dense concrete channels permanently seals the surface, irreparably disrupting the delicate natural equilibrium that sustains these diverse bird communities.\n\nCentury-Old Heritage Banyan and 60 Rare Botanical Varieties\nThe ground data compiled through the two-month citizen audit dispelled any notion that the designated clearing zone consists merely of expendable shrubs. Field findings confirmed the presence of 40 indigenous and 20 ornamental tree varieties thriving across the alignment. Foremost among these is an iconic, roughly 100-year-old heritage banyan tree that now faces imminent removal by heavy machinery.\n\nThe surveyed alignment is densely populated by massive specimens of jamun, amla, karanj, and rain trees, alongside key members of the wild fig lineage. Specifically, Mysore fig, cluster fig, and white fig varieties stand prominently throughout the zone, serving as primary year-round feeding grounds and shelters for hundreds of birds, insects, and small mammals. Stripping these specific botanical species will decimate local ecological food webs beyond recovery.\n\nSevere Threats to Groundwater Aquifers and Recharge Zones\nHydrological specialists and environmentalists have sounded urgent alarms that sacrificing substantial tree cover for surface widening and subterranean tunneling could permanently deplete the locality's water table. The dense, deep-reaching root systems of the colossal banyans on the Veterinary College grounds are instrumental in driving surface runoff deep into underground aquifers, maintaining the city's natural replenishment cycle. In an urban center already grappling with acute municipal water deficits, damaging this natural recharge zone carries severe long-term ramifications.\n\nLocal neighborhood groups assert that an intensively built-up metropolis like Bengaluru no longer possesses the land or spatial capacity to regenerate such massive, centuries-old canopies once they are destroyed. Consequently, civic groups and urban planners are calling for an immediate and rigorous redesign of the road alignment between the Hebbal junction and the UAS staff quarters to safeguard the city's essential groundwater reserves, tree canopy, and urban wildlife.\n\nWhat this means for you\nThe proposed felling of over a thousand trees for the Hebbal tunnel route will trigger notable environmental and civic consequences.\n\n• Across India: The controversy will amplify national scrutiny over how urban transport projects balance infrastructure growth with ecological conservation. Municipal planning bodies across the country will face heightened citizen pressure to ensure transparency during public consultation phases.\n• In Bengaluru: The destruction of 1,128 mature trees will exacerbate urban heat islands and elevate localized air pollution levels. Depleting natural soil recharge zones will further suppress local groundwater tables, aggravating the city's existing water supply strain.\n• For Local Residents: Community members have an open administrative window to file formal legal objections with the Tree Officer against the mass tree clearing. This process offers a legal avenue to demand route realignments or tree transplantation safeguards.\n• For Birdwatchers and Conservationists: The dismantling of this canopy threatens the habitat of 278 recorded bird species between the lake and college grounds. Urban wildlife corridors of this magnitude cannot be replaced once paved over with asphalt and concrete.\n\nWhy this happened\nThe issue originated from the Bangalore Development Authority's infrastructure initiative to construct a 2.3-kilometer tunnel road in Hebbal. The civic authority initiated public objection proceedings to cut 1,128 trees without disclosing detailed species or location data.\n\n• Infrastructure Alignment: The civic plan aims to alleviate surface vehicular congestion by implementing an underground road built via cut-and-cover excavation. This alignment requires clearing roughly 490 mature trees for every kilometer of underground road built.\n• Administrative Omission: The Greater Bengaluru Authority's Tree Officer invited public feedback but failed to publish exact species lists or geographic coordinates. The lack of accessible data made it nearly impossible for affected citizens to register specific claims.\n• Community Survey Mobilization: In response to the institutional information gap, 21 volunteers conducted an independent two-month mapping audit using iNaturalist. Their documentation of a 100-year-old banyan and 60 distinct plant varieties galvanized local resistance.\n• Ecological and Hydrological Risks: The affected corridor acts as a vital hydrological catchment and natural sanctuary for wildlife. Expert assessments showing that extensive concrete work would permanently ruin groundwater percolation turned the project into a focal point of environmental alarm.\n\nQuestions & Answers\n\n1. What is the total length of the proposed tunnel road in Hebbal?\nThe proposed underground tunnel road in the Hebbal area is planned to be 2.3 kilometers long.\n\n2. How many trees are proposed to be cut down for this project?\nA total of 1,128 mature trees have been marked for felling to execute the tunnel project.\n\n3. How many trees will be felled per kilometer of the tunnel?\nAccording to the project plan, roughly 490 dense trees will be sacrificed for every 1 kilometer of tunnel road.\n\n4. Which authority issued the public notice inviting objections?\nThe official public notice seeking objections was issued by the Tree Officer of the Greater Bengaluru Authority (GBA).\n\n5. Which digital tool did residents use to map the affected trees?\nA team of 21 volunteers utilized the iNaturalist platform to conduct a comprehensive geotagged field survey.\n\n6. How many bird species are recorded in the affected habitat?\nThe eBird database lists 183 bird species around Hebbal Lake and 95 inside the Veterinary College campus, totaling 278 species.\n\n7. Which prominent heritage tree is facing felling under this plan?\nA century-old heritage banyan tree and the nesting habitats of rare spotted owlets are threatened by the proposed alignment.\n\n8. Why are hydrologists alarmed by this infrastructure project?\nExperts warn that the cut-and-cover technique will sever deep roots and pave over critical recharge zones, permanently destroying the groundwater table.",
  "url": "https://trendkia.com/en/karnataka/hebbal-men-2-3-kilomitara-tanala-ke-lie-1128-pera-girane-ki-taiyari-para-phuta-gussa-36199",
  "category": "Karnataka",
  "publishedAt": "2026-09-22",
  "tags": [
    "Bengaluru",
    "Hebbal",
    "Environment",
    "Tree Felling",
    "Tunnel Project",
    "Groundwater Crisis"
  ],
  "language": "en",
  "site": "TrendKia"
}