Given that the Chief Justice of India composes panels and assigns cases to judges, unlike in systems where cases are randomly assigned to avoid bias or where apex constitutional courts sit in plenary sessions, the question of how the CJI is appointed is crucial. This article seeks to answer this question by empirically investigating whether the seniority norm existed prior to the establishment of the Supreme Court of India - specifically, in the high courts of Bombay, Calcutta, Madras, Allahabad, Patna, and in the Federal Court of India.