K. Kamaraj is widely considered the key figure and leader of the Congress Syndicate, a group of powerful leaders within the Indian National Congress during the 1960s. The Syndicate controlled much of the party's decision-making and played a significant role in Indian politics during that time.
Context: The Congress Syndicate was instrumental in shaping the direction of the party, especially in the internal conflicts following Jawaharlal Nehru's death. The faction's influence significantly affected the leadership of the Congress party.