Chappell, who looked quite composed, spent the entire day at the Karnail Singh Stadium, watching the third day's play of the Irani Cup match between Rest of India and Ranji champions Railways.
The former Australian captain took up a position in the pavilion and was seen interacting with Chairman of Selection Committee Kiran More besides other national selectors Yashpal Sharma and Pranab Roy.
The batting great declined to speak to the media and generally kept to himself.
Ian Frazer, the biomechanics expert and a key member in Chappell's support staff, has been coming for the match from the very first day.
Chappell and Ganguly were involved in a public spat, which generated considerable heat and triggered off debate on whether the captain or the coach should be shown the exit door to restore peace in the team.
The Cricket Board hammered out a compromise at its review committee meeting in Mumbai on Sep 27 and also imposed a gag order on the players, captian and the coach from speaking to the media on the issue.