The birth of world communist movement and its impact on Indian polity in the form of a Communist Party by name of CPI which later on split into CPI and CPM ultimately leading to the formation of Communist Party of India (Marxist – Leninist) and thereafter CPI (Maoist) finds brief mention. Circumstances leading to its birth, its leaders, action by police and reaction of CPI (ML) and their activities from the year 2002 find a detailed account.