The central government appoints the Chief Justice of India based on seniority. But this convention was breached two times (in 1973 and 1977) when senior judges were bypassed and pliable junior judges were appointed to the office of the CJI by the Indira Gandhi government.
A recent webinar drew attention to Justice Yashwant Vishnu Chandrachud who was part of Kesavananda, helped navigate it through a period of harsh constitutional majoritarianism and presided over a brilliant constellation of co-equals