First of all, it is Baruipur, not Baruipara. Both are very far, and have starkly different characteristics.
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Secondly, what you are hinting at is not possible. The tracks of the Kavi Subhash-Dum Dum Metro are at near ground level. The info. in the video is absolutely correct.
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And,...
more... the reasons behind alloting the funds to ER are unknown to me as of now. But, be rest assured that nothing related to Suburban Railways will be constructed over there right now.