Most extras in an innings in T20Is at NZ: Seddon Park, Hamilton - vs India

Most extras in an innings
Team
Score
Overs
Ext
b
lb
w
nb
RR
Inns
Opposition
Ground
Match Date
Scorecard
17920.0862--8.952v IndiaHamilton29 Jan 2020T20I # 1035
21220.07-43-10.601v IndiaHamilton10 Feb 2019T20I # 738
Adjust:Most recentPast weekPast MonthPast year4 years10 years25 years
Team is the team credited with the extras, Opposition is the team that conceded them.
Records includes the following current or recent matches:

Sri Lanka Under-19s (Young Cricketers) vs Pakistan Under-19s (Young Cricketers) at Hambantota, Pakistan Under-19s tour of Sri Lanka 2nd Youth Test, Oct 10-12, 2015 [Youth Test # 262]

Sri Lanka Under-19s (Young Cricketers) vs Pakistan Under-19s (Young Cricketers) at Hambantota, Pakistan Under-19s tour of Sri Lanka 1st Youth Test, Oct 4-6, 2015 [Youth Test # 261]

Australia Under-19s vs England Under-19s (Young Cricketers) at Chester-le-Street, Australia Under-19s tour of England Only Youth Test, Aug 4-7, 2015 [Youth Test # 260]