The tallest building in the picture is also the tallest building in Kolkata . Moreover it is also the tallest building in India . This building or tower is also called as "The 42".It is a big residential building which developed by mani group,Salarpuria Sattva Group, Diamond Group & Alcove Realty . Its height is around 260 meters and it's covered with around 64 floors .It is architect by Hafeez contractor.