They surpassed the previous record of 263-5, set by Royal Challengers Bangalore in 2013
The 29-year-old is returning to the Test side after missing the series win against New Zealand at home due to a muscle strain.
"The All-India Senior selection committee has named KL Rahul as vice-captain for the upcoming 3-match Test series against South Africa. KL Rahul replaces Rohit Sharma as vice-captain, who was ruled out of the Test series owing to a hamstring injury," the BCCI said in a statement.
Virat Kohli-led India take on South Africa in the first Test at Centurion from Dec. 26.