The document provides construction progress updates for multiple blocks on April 30, 2012. Block B had terrace slab shuttering in progress. Block C was working on the 14th floor columns. Block D had the 11th floor roof slab 50% casted, while Block E had the 12th floor roof slab fully casted and Block G had the terrace slab casted. Blocks H, I, J, M, and N were all at different stages of roof slab and column work. Block O's raft was completed. Block D non-tower had its back side casted and Block C non-tower was working on the back side slab.