This series win crowns a strong three months for Sri Lanka under new head coach Sanath Jayasuriya.
Sanath Jayasuriya was appointed Sri Lanka cricket head coach on Monday, replacing Chris Silverwood who quit following the country's early exit from the T20 World Cup.
Shanaka, who led Sri Lanka to victory in the 2022 T20 Asia Cup, was replaced as captain by Wanindu Hasaranga in December following the team's poor showing in the last three white-ball World Cups.
Sri Lanka were in dire straits at 6-3 after skipper De Silva won the toss, losing their first three wickets for no runs in 10 balls.
Dilshan Madushanka has been named as Thushara's replacement in the squad while Asitha Fernando has been named as Chameera's replacement.
The 26-year-old all-rounder quit following Sri Lanka's early exit from the T20 World Cup in June.
Sri Lanka's sports ministry has dispatched an officer to the United States to look into the welfare of the team, Fernando added.
Bangladesh enter the T20 World Cup with a bit of uncertainty as they continue to look for their strongest XI. Experienced opener Litton Das has been out of form of late with an average of 13.16 this year in six matches. Although teammate Tawhid Hridoy is confident that Das will make a strong comeback in the tournament.
Of the nine teams that have managed to play all the editions of the T20 World Cup since its inauguration in 2007 (Bangladesh, West Indies, India, Australia, England, Pakistan, Sri Lanka, New Zealand, and South Africa), the Tigers are the only side to have never qualified for the semifinal of the tournament.
Javed will start in his new role with immediate effect and work until the end of the ICC Men’s T20 World Cup in the West Indies and USA in June 2024.
Former Sri Lanka captain Lahiru Thirimanne was hospitalised after a car crash that saw his vehicle smash head-on against a lorry coming in the opposite direction near the north-central city of Anuradhapura in Sri Lanka on Thursday morning.
Sri Lanka's cricket board Wednesday named a 17-man T20 squad headed by suspended skipper Wanindu Hasaranga for the upcoming tour of Bangladesh.
Sri Lanka cricket selectors Wednesday named different captains for the Test, one-day international and Twenty20 sides ahead of tours by Zimbabwe and Afghanistan.
"If I am assassinated on the road, the president and his chief of staff will be responsible," Ranasinghe said
The ICC Board also confirmed Sri Lanka will no longer host the ICC U19 Men’s Cricket World Cup 2024.
Sri Lanka skipper Kusal Mendis appealed Sunday for the governing International Cricket Council to lift its suspension of the country over alleged political interference in the local board.
"The ICC suspension of Sri Lanka is illegal. We have been maliciously suspended without giving us an opportunity to respond to the allegation," Ranasinghe told reporters in the capital Colombo.
The International Cricket Council (ICC) suspended Sri Lanka's cricket board Friday, saying it had failed to ensure there was no government interference in its affairs.
It was the latest development in a crisis involving the cricket board -- the richest sporting organisation in the bankrupt island country -- that came to a head after Sri Lanka's humiliating World Cup defeat by India last week.