The correct answer is Option 4 - CPI(M)
E. M. S. Namboodiripad's party affiliation actually changed over his career. Here's a breakdown:
Early Years: He started with the Congress Socialist Party (CSP) in 1934. Later Affiliation: He then joined the Communist Party of India (CPI). Party Split: In 1964, the CPI underwent a split, and Namboodiripad became a key figure in forming the Communist Party of India (Marxist) (CPI(M)). Therefore, depending on the specific time period, his party affiliation could be either CPI or CPI(M) |