Original Resolution: 300x250 In Aila S Wake Saline For Rs 70 A Bottle Lives Are Much Cheaper Indian Express However, these concrete embankments, which were built in the sundarban after cyclone aila which happened in 2009 are made out of cinder and cement and these are very high and wide embankments and a huge amount of money was allocated to rebuild these embankments, and this money came from the world bank group towards the sundarban embankment.