SL Best bowling economy rate in an innings in T20I

Sr	Player	Ov	W	Eco	Opp	Venue	Date
1	Rangana Herath	3.3	5	0.85	NZ	Chittagong	31 Mar 2014
2	Sachithra Senanayake	3.0	2	1.00	NZ	Chittagong	31 Mar 2014
3	Nuwan Kulasekara	3.0	3	1.33	NZ	Lauderhill	23 May 2010
4	Angelo Mathews	3.0	0	1.33	NZ	Kandy	30 Oct 2012
5	Lasith Malinga	4.0	5	1.50	NZ	Kandy	06 Sep 2019
6	Ajantha Mendis	4.0	6	2.00	ZIM	Hambantota	18 Sep 2012
7	Wanindu Hasaranga	4.0	3	2.00	UAE	Geelong	18 Oct 2022
8	Angelo Mathews	4.0	2	2.00	PAK	Hambantota	01 Jun 2012
9	Dasun Shanaka	3.0	1	2.00	SA	New York	03 Jun 2024
10	Maheesh Theekshana	3.1	2	2.21	WI	Dambulla	15 Oct 2024
11	Wanindu Hasaranga	4.0	4	2.25	IND	Colombo	29 Jul 2021
12	Dunith Wellalage	4.0	3	2.25	WI	Dambulla	15 Oct 2024
13	Ajantha Mendis	4.0	2	2.25	WI	London	19 Jun 2009
14	Tillakaratne Dilshan	3.3	0	2.28	NZ	Auckland	26 Dec 2006
15	Lahiru Kumara	3.0	3	2.33	NL	Sharjah	22 Oct 2021
16	Charith Asalanka	3.0	0	2.33	AUS	Colombo	08 Jun 2022
17	Nuwan Kulasekara	4.0	3	2.50	UAE	Dhaka	25 Feb 2016
18	Lasith Malinga	2.0	2	2.50	NL	Chittagong	24 Mar 2014
19	Lasith Malinga	2.0	2	2.50	WI	Dhaka	03 Apr 2014
20	Lahiru Kumara	3.3	2	2.57	NAM	Abu Dhabi	18 Oct 2021
21	Angelo Mathews	3.0	1	2.66	BAN	Dhaka	28 Feb 2016
22	Lakshan Sandakan	3.4	3	2.72	WI	Osbourn	05 Mar 2021
23	Matheesha Pathirana	4.0	3	2.75	NZ	Dambulla	10 Nov 2024
24	Sachithra Senanayake	4.0	2	2.75	BAN	Chittagong	14 Feb 2014
25	Lasith Malinga	4.0	2	2.75	SA	Cape Town	19 Mar 2019

Sri Lanka Best bowling economy rate in an innings in T20I Year Wise
2024	2023	2022
2021	2020	2019
2018	2017