Openers Du Plessis and Ruturaj Gaikwad gave the three-time champions a solid start which was backed by quick-fire innings by Robin Uthappa and Moeen Ali.
CSK will next square off against Kolkata Knight Riders (KKR) in the IPL on Sunday at the Sheikh Zayed Stadium in Abu Dhabi.
Du Plessis, Bravo and Tahir all participated in the recently concluded Caribbean Premier League (CPL) 2021 and hence will undergo only two-day isolation.
Temba Bavuma will lead a 15-man squad which CSA director of cricket Graeme Smith said was a new group of players, with new heroes to be made.
Faf Du Plessis has played 69 Tests, 143 ODIs and 50 T20Is for South Africa in a career which started in 2011.
In trying to save a boundary, Du Plessis collided with teammate Mohammad Hasnain during their Pakistan Super League match on Saturday night.
This is killing me: Faf du Plessis' wife Imari Visser after husband's collision in Pakistan Super League match
Faf du Plessis' wife Imari Visser expressed concern for her husband after the South African batsman ended up injuring himself on the field.
Kraigg Brathwaite's team are unbeaten in their last four Tests – a 2-0 triumph in Bangladesh and drawn matches at home to Sri Lanka.
That Azam weighs more than 100kg was also pointed out by the fans before du Plessis came to the rescue of the big-hitter.
Du Plessis said that if the guardians of the game don't take corrective steps now, international cricket runs the risk of losing out to domestic leagues in future.
Played at the Sher-e-Bangla National Stadium in Mirpur, Dhaka, South Africa lost the match by 49 runs to be knocked out of the tournament, which was won by co-hosts India.
CSK hammered KKR bowlers all around the park to register a score of 220/3 in the allotted 20 overs.
Du Plessis insisted that he wants to be a part of the history by contributing in the revival of international cricket in Pakistan.
West Indies leg-spinner Samuel Badree was due to join the squad later on Monday, after playing in the Caribbean Premier League final.
Faf du Plessis will lead the World XI in a three-match T20 series against Pakistan to be played in Lahore next month.