Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh (syn: Athamanta diffusa (Roxb.) Wall.; Cnidium diffusum DC.; Ligusticum diffusum Roxb. ex Sm.; Ligusticum indicum Wall.; Meum diffusum Baill.; Seseli indicum Wall. ex Wight & Arn.);
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India (Plains of India), S-Nepal, Pakistan (I), Myanmar [Burma] as per Catalogue of Life;
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Hooghly : Oenanthe (Seseli)? : Attachments (4). 5 posts by 2 authors.
Found this small prostrate-erect herb/weed in a low lying cultivated land (often remains unused), on 03-April-2013.

I think this species is Seseli indicum Wight & Arn.

The Bengali name – BON JOWAN (বন জোয়ান)
Similar looking other species in Bengal Plants –

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Apiaceae herb 30423: 2 high res. images.
Apiaceae herb in the fallow paddy field in Dharbanga area of Bihar.


Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh !


Yes, appears close to images at
https://efloraofindia.com/2013/06/06/seseli-indicum/