While caste factor keeps playing a key role in Indian politics, especially in the Hindi heartland, the research paper of Dr Sushil Kumar Pandey, a faculty of history at Babasaheb Bhimrao Ambedkar Central University, Lucknow, delves deep into the phenomenon in Uttar Pradesh. He completed his PhD on the topic ‘Role of Castes in Uttar Pradesh Politics – A Historical Perspective 1950-1991’ from Lucknow University in 2005.