Supreme Court of India· 20 March 2026

Under the Forest (Conservation) Act, 1980, does proliferation of vegetation consisting of invasive alien species signify the presence of a natural forest ecosystem?

NAVEEN SOLANKI AND ANOTHER v. RAIL LAND DEVELOPMENT AUTHORITY AND OTHERS

2026 INSC 270 · CIVIL APPEAL NO.10656 OF 2024
Coram: Augustine George Masih; Dipankar Datta

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Answer

No. The mere presence of vegetation or tree cover cannot by itself be equated with the existence of a natural forest ecosystem. Invasive alien species are plants introduced from outside their natural range which spread aggressively and displace indigenous vegetation, reducing biodiversity and disturbing the natural hydrological balance; their spread may in fact signify ecological disturbance rather than a naturally evolved indigenous ecosystem.

Headnote

Forest (Conservation) Act, 1980 — s.2 — Master Plan of Delhi, 2021 — "Forest land" — "Deemed forest" — Statutory binding force and sanctity of the Master Plan — Relevant date — Invasive alien species — Forest (Conservation) Act, 1980 — s.2 — Land earmarked under an approved Master Plan — Efflux of time — Held: Land which is not forest land as per revenue record or a declared forest, nor fulfils the requirement of a deemed forest when a Master Plan comes into force, cannot with the efflux of time be declared a deemed forest. Changes on the ground due to natural or human intervention cannot override the statutory binding force and sanctity of the Master Plan. (¶47, 65) Forest (Conservation) Act, 1980 — s.2 — Determination of "deemed forest" — Relevant date — Held further: The relevant date for determining the nature of the land as deemed forest is the date of coming into force of the Master Plan, not the date work on the project is initiated on the ground. Absent contemporaneous material that the land bore the character of forest then, no prior approval of the Central Government is required. (¶60, 65) Forest (Conservation) Act, 1980 — s.2 — Invasive alien species — Natural forest ecosystem — Held further: Mere presence of vegetation or tree cover, particularly invasive alien species introduced through historical human intervention, cannot by itself be equated with the existence of a natural forest ecosystem. Transplantation of native species and compensatory afforestation directed; appeal disposed of. (¶54, 66, 67)

In the Court's own words

Paragraph 49At this stage, it becomes necessary to advert to another aspect relevant for determining the character of land claimed to be forest, namely the nature of native/indigenous vegetation and the spread of invasive alien plant species. The mere presence of vegetation or tree cover cannot by itself be equated with the existence of a natural forest ecosystem. Native vegetation comprises plant species that have evolved within a particular geographical region and form part of its natural ecological system. Such species sustain biodiversity and ecological balance by supporting wildlife, pollinators and soil processes while remaining adapted to local climatic and hydrological conditions. In contrast, invasive alien species are plants introduced from outside their natural range which tend to spread aggressively and displace indigenous vegetation.

Paragraph 54The material on record, therefore, indicates that the mere proliferation of vegetation, particularly where it consists of invasive alien species introduced through historical human intervention, does not necessarily signify the presence of a natural forest ecosystem.

Paragraph 66Before parting with this judgment, we would like to add that in assessing whether a parcel of land possesses characteristics associated with forest ecosystem, it is necessary to consider whether the vegetation forms part of a naturally evolved indigenous ecosystem or whether it represents the spread of invasive species which may in fact signify ecological disturbance. The emphasis of environmental management, as reflected in governmental policy as well as ecological understanding, lies in the restoration and promotion of native species capable of sustaining biodiversity and ecological balance. Therefore, for restoration of forest to its natural ecosystem, trees of native species be planted in large numbers and preferably by replacing invasive species to save and sustain the ecological balance.

Acts & Sections

s.2 Forest (Conservation) Act, 1980s.1A Forest (Conservation) Act, 1980s.22 National Green Tribunal Act, 2010s.2(i) Delhi Preservation of Trees Act, 1994

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Also decided in this judgment

Whether the land which is not a forest land as per revenue record or a declared forest nor fulfilling the requirement of a deemed forest, when the same is earmarked for execution of a project under a Master Plan, could with the efflux of time be declared as deemed forest, overriding the statutory binding force and sanctity of the said Master Plan?Which would be the relevant date for consideration and determination of the nature of the land as ‘deemed forest’ i.e., the date of coming into force of the Master Plan or the date on which the actual work on the project, as earmarked under the Master Plan, is initiated on the ground?

Plain-language answer prepared by the LexStreak Editorial Desk — verify against the judgment. Source: Supreme Court of India. Corrections