DHAKA: Bangladesh won the T-20 series beating Bangladesh by 3 wickets in the second match in Chittagong on Friday.
The visitors scored 123 runs after the over-20 Zahur Ahmed Chowdhury Stadium.
Earlier, Bangladesh won the toss and elected to bat first.
The hosts lost all wickets to score 120 run in 19.5-over.
Sabbir Rahman scored the highest 26 while Anamul Haque and Mashrafe took 24.
Malinga bagged the highest 3 wickets while Kulasekara and Senanayake picked 2 wickets each.
Earlier on Wednesday, the visitors won the first match by two runs in Chittagong.
Bangladesh squad: Tamim Iqbal, Shamsur Rahman, Anamul Haque (wk), Shakib al Hasan, Sabbir Rahman, Nasir Hossain, Farhad Reza, Mahmudullah/ Sohag Gazi, Mashrafe bin Mortaza (capt), Rubel Hossain, Arafat Sunny.
Sri Lanka squad: Kusal Perera, Tillakaratne Dilshan, Dinesh Chandimal (capt and wk), Kumar Sangakkara, Angelo Mathews, Seekuge Prasanna, Thisara Perera, Nuwan Kulasekara, Sachithra Senanayake, Lasith Malinga, Ajantha Mendis.
** Bangladesh-Lanka final T20 at 5pm
BDST: 1900 HRS, FEB 14, 2014