If the setu is built cutting between AP,TN and Maharastra and Karnataka, then the ships can sail even faster, reach directly to chennai port, create novel economy in the bordering states, and Keep out Hindi land from the southern states, and also it is in line with the Congress ideas of dividing India (into two), and crores more can be looted away by all parties concerned. HEEEE HHEEEE HHEEEEE