Sahadevan you are really joking... Words "construtive" and "CPM" cannot go together under the present leadership. CPM is basically a destructive force and that's why it bears Red colour. Further, the CPIM today is a lot different that what it used to be earlier when stalwarts like EMS, AKG, Pramod Dasgupta were alive. Today the party is known as Capitalist Party of India (Money) and Singur and Nandigram are examples.