Bangladesh captain Tamim Iqbal pleaded guilty to the offence after the match.
For Sri Lanka, the fast bowling pair of Nuwan Pradeep and Lahiru Kumara take the places of Kasun Rajitha and Isuru Udana.
The ongoing World Cup has been hit by the rain and there is a possibility more games will be affected due to the bad weather.
Reports also claimed that Bangladeshi dressing room glass pane was left to smithereens after their victory celebration.
The Tigers edged past Sri Lanka by two wickets to set up a final with India but not before spectators witnessed ugly scenes.
Bangladesh entered the final of the series by two wickets in the penultimate over against Sri Lanka.
Shakib has missed 2 months of international cricket since his finger injury
With impressive all-round performance, Sri Lanka registered a thumping 76-run victory against Bangladesh in the second and final T20I.
Sri Lanka posted a challenging target of 211 for Bangladesh in the 2nd T20I of the series.
Sri Lanka and Bangladesh are all set to face in the final match of the tour.
Hathurusingha coached Bangladesh for more than three years before he quit in October to join his struggling home team.
Bangladesh rode on brisk half-centuries by Soumya Sarkar and Mushfiqur Rahim to post their highest-ever T20I total but were undone by an attacking opposition batting.
Tamim complained of muscle pain in his left arm and Mushfiqur did not train on Wednesday because of a wrist injury.
The first T20I will be played at Dhaka on February 15 and the second at Sylhet three days later.
All-rounder Mahedi Hasan and U-19 vice-captain Afif Hossain are among the five uncapped players, named in the 15-man Bangladesh squad
IND 329/7 OVERS: 97.0
AUS 294 (75.5 Ovs)
India beat Australia by 3 wickets
Bangladesh vs West Indies - 1st Test
03 Feb, 2021 09:30 IST
Zahur Ahmed Chowdhury Stadium, Chattogram
Sri Lanka vs England - 2nd Test
22 Jan, 2021 10:00 IST
Galle International Stadium, Galle
Pakistan vs South Africa - 1st Test
26 Jan, 2021 10:30 IST
National Stadium, Karachi
Pakistan vs South Africa - 2nd Test
04 Feb, 2021 10:30 IST
Rawalpindi Cricket Stadium, Rawalpindi
Afghanistan vs Ireland - 1st ODI
21 Jan, 2021 11:00 IST
Sheikh Zayed Stadium, Abu Dhabi
Afghanistan vs Ireland - 2nd ODI
24 Jan, 2021 11:00 IST
Sheikh Zayed Stadium, Abu Dhabi
Afghanistan vs Ireland - 3rd ODI
26 Jan, 2021 11:00 IST
Sheikh Zayed Stadium, Abu Dhabi
Bangladesh vs West Indies - 1st ODI
20 Jan, 2021 11:00 IST
Shere Bangla National Stadium, Mirpur
Bangladesh vs West Indies - 2nd ODI
22 Jan, 2021 11:00 IST
Shere Bangla National Stadium, Mirpur
Bangladesh vs West Indies - 3rd ODI
25 Jan, 2021 11:00 IST
Zahur Ahmed Chowdhury Stadium, Chattogram
Sri Lanka vs England - 2nd Test
22 Jan, 2021 10:00 IST | 04:30 GMT
Galle International Stadium, Galle
United Arab Emirates vs Ireland - 4th ODI
Ireland beat United Arab Emirates by 112 runs
Sri Lanka vs England - 1st Test
England beat Sri Lanka by 7 wickets
United Arab Emirates vs Ireland - 3rd ODI
Match Abandoned
United Arab Emirates vs Ireland - 2nd ODI
Match Abandoned
Australia drew with India