[3][4] Following the conclusion of the disciplinary inquiry,[5][6] he was subsequently banned from all forms of cricket for a period of three years, effective from 13 August 2024.
This included an impressive 14 outright victories in the two-day league, culminating in a historic Big Match triumph over St. Anthony's College, in the Trinity–Antonian Cricket Encounter, after a 26-year drought.
[19] In November 2021, he was selected to play for the Dambulla Giants following the players' draft for the 2021 Lanka Premier League.
He scored his maiden T20I fifty as a match-winning knock in the third match, which ensured the first series win against South Africa on their home soil in any format.
[28] He scored his first ODI century on 6 July 2017 against Zimbabwe at the Mahinda Rajapaksa International Cricket Stadium.
[35] In the Australian Test series in July 2022, Sri Lanka suffered a huge defeat, with the match ending in three days.
[38] During the fourth ODI against South Africa on 7 February 2017, Dickwella had a verbal encounter with Kagiso Rabada and was fined, along with gaining three demerit points.
[39] On 21 February 2017, Dickwella was suspended for two limited over matches, after a Code of Conduct breach during the second T20I against Australia at Kardinia Park.
[40] In July 2017, Dickwella was fined 30 percent of his match fee and received two demerit points for breaching the ICC Code of Conduct.
[42] All three players were seen in the city centre of Durham,[43] with SLC sending them all back home ahead of the ODI matches.
He is the first national cricketer to receive a three-year ban from all forms of the game for failing a drug test.
[7] On 11 December 2024, it was reported that Dickwella's three-year ban from all forms of cricket, effective from 13 August 2024, had been reduced to three months following a decision by an appeal panel.