How are the CEC and ECs appointed, and what has the Supreme Court order changed?

GS Paper 2  Syllabus: Appointment to various Constitutional Posts, Powers, Functions and Responsibilities of various Constitutional Bodies   Source: IE  Context: A five-judge Constitution Bench of the SC unanimously ruled that a high-power committee consisting of the PM, the Leader of Opposition in LS and the CJI must pick the CEC and ECs.   How …