The highest score by a team in an innings is 246-5 by Chennai Super Kings in 2010
kolkata knight riders
Chennai Super Kings in 2010 IPL Season against Rajasthan Royals in Chennai - 246/5
Highest total by a team in IPL 2011 was 232/2 by Kings XI Punjab against Royal Challengers Bangalore.
100 not out
222-3 (vs. RCB in the first match of IPL)