The deceased was identified as Shilpi Bewa of the vilalge.
Police said there was a longstanding enmity between Shilpi and her cousin Rabiul over a piece of land.
On Sunday morning, an altercation began between them as Rabiul along with his supporters tried to occupy the land, said sub-inspector Kumar Pal of Singa Police Station, quoting local people.
At one stage, Rabiul hit Shilpi with a knife, leaving her injured.
She was taken to a local hospital where the doctors declared her dead.
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