Travel site recommendation:
Whoever comes to Kolkata, do not miss these:
Victoria Memorial
Science City
Parshwanath Temple (Pareshnath Temple)
Maidan...
more... (the huge grassland surrounded by roads, river and tall buildings)
Indian Museum
Howrah Station
Strand Road
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Warning: Do not sit in any empty ground after 1800 (where nobody else is sitting), especially Maidan and Airport areas.