who took the initiative to plan the first underground railway in kolkata
The MTP ( Rlys )
-1
Section::::History.

Kolkata Metro
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Soviet specialists ( Lenmetroproekt )
-1
Section::::History.

Kolkata Metro
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East German engineers
-1
Section::::History.

Kolkata Metro
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13207614543525357192
NONE
Section::::History.

Kolkata Metro
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