DM de Silva and PHKD Mendis scored centuries in both innings in the test against Bangladesh at Sylhet to provide the third occasion of two batsmen scoring centuries in both innings of a test in the annals of test cricket. All such occasions are tabulated below

No	Player	FI	SI	Team	Opposition	Ground	Match Date
1	IM Chappell	145	121	Australia	v New Zealand	Wellington	01 Mar 1974
2	GS Chappell	247*	133	Australia	v New Zealand	Wellington	01 Mar 1974
1	Azhar Ali	109	100*	Pakistan	v Australia	Abu Dhabi	30 Oct 2014
2	Misbah-ul-Haq	101	101*	Pakistan	v Australia	Abu Dhabi	30 Oct 2014
1	DM de Silva	102	108	Sri Lanka	v Bangladesh	Sylhet	22 Mar 2024
2	PHKD Mendis	102	164	Sri Lanka	v Bangladesh	Sylhet	22 Mar 2024

It is interesting to note that in all these three occasions, one of the batsmen was leading the respective team. In the first instance, IM Chappell was captaining Australia, in the second instance, Misbah-ul-Haq was leading Pakistan and in the third instance DM de Silva was captaining Sri Lanka.

The interval between the first and second occasion was 40 years {1974 and 2014} and the interval between the second and third occasion is 20 years {2014 and 2024}