Bangladesh defended a lead of 203-run, restricting the visitors at 139/10 in 35.2 overs in the second innings where spinner Taijul Islam glittered with six for 33, while skipper Shakib Al Hasan completed his 200th Test wicket with two for 30 in the innings.
For the touring side, there was only notable stance of 63 off 12.4 overs partnership between Sunil Ambris [43 off 62b; x4x] and Jomel Warrican [41 off 55b; 3x3; 1x6] in the 9th stand.
Mehidy Hasan Miraz [2/27] was another successful wicket-taker to show the spin dominance of Bangladesh.
Chasing the the victory target of 204 runs, West Indies’ batting line-up failed to negotiate the spin attack of Taijul and Shakib, and lost four wickets for 11 runs before lunch.
Taijul conceded no runs in five balls for his two scalps –skipper Kraigg Brathwaite [8] and Roston Chase – trapping both leg before wicket.
Shakib completed his 200th Test wicket with making the first breakthrough, dismissing Kieran Powell on 5/1 in 2.4 overs before getting Shai Hope on 11/2 in 4.5 overs. Powell and Hope both were caught behind by Mushfiqur Rahim.
Earlier, Bangladesh posted a lead of 203-run, adding another 70 runs to their overnight lead of 133-run lead.
Mahmudullah Riyad top-scored with 31 off 46 balls, including one boundary and one six, and was caught by Shai Hope off-spinner Devendra Bishoo just seven balls before the end of the second innings.
Apart from sending off Mahmudullah, Bishoo dismissed overnight batsman Mehidy Hasan Miraz [18 off 35b; 3x4] and debutant Nayeem Hasan [5].
Another overnight batsman Mushfiqur Rahim [19 off 39b; 1x4] played 10 balls on the third day to add 8 runs to his previous 11 before being bowled out by Shannon Gabriel at 69/6 in 18.5 overs.
Bangladesh’s last man spinner Taijul Islam was caught by Jomel Warrican off Roston Chase on his single digit.
Shakib dismissed opener Kraigg Brathwaite (8) via stumping with a flighted delivery to get to his 200 wicket.
The visitors were unable to resist the slump as Shakib and Taijul took three wickets in just seven balls for no runs on the eve of the lunch.
Hetmyer and Ambris added 33 on a stroke-filled fifth wicket partnership before offspinner Mehidy Hasan (2-27) broke through, removing Hetmyer for 19 ball-27.
Taijul then triggered another collapse to complete his five seventh five-for in 22 tests, edging Bangladesh closer with West Indies at 75-8.
Jomel Warrican and Ambris resisted only to delay the inevitable before Mehidy Hasan had Warrican caught by Shakib at mid-wicket to end the increasingly dangerous partnership.
Devendra Bishoo [4/26], Roston Chase [3/18], Jomel Warrican [2/43] and Shannon Gabriel [1/24] were the wicket-takers for the visitors.
Mominul Haque, who hit a century [120] in Bangladesh's first innings, was adjudged man of the match.
The second Test of the series will begin on November 30 at Sher-e-Bangla National Cricket Stadium in Dhaka.
Brief score:
Bangladesh 1st innings: 324/10 in 92.4 overs; Mominul Haque 120, Imrul Kayes 44, Taijul Islam 39*, Shakib Al Hasan 34, Nayeem Hasan 26, Mehidy Hasan Miraz 22, Mohammad Mithun 20, Jomel Warrican 4/62, Shannon Gabriel, 4/70, Devendra Bishoo 1/60, Kemar Roach 1/63.
Bangladesh 2nd innings: 125/10 in 35.5 overs (overnight 55/5 in 17 overs); Mahmudullah Riyad 31, Mushfiqur Rahim 19, Mehidy Hasan Miraz 18, Mohammad Mithun17, Mominul Haque 12, Soumya Sarkar 11, Devendra Bishoo 4/26, Roston Chase 3/18, Jomel Warrican, 2/43, Shannon Gabriel 1/24.
West Indies 1st innings: 246/10 in 64 overs; Shane Dowrich 63*, Shimron Hetmyer 63, Roston Chase 31, Sunil Ambris 19, K Powell 14, K Brathwaite13, Nyeem Hasan 5/61, Shakib Al Hasan 3/43.
West Indies 2nd innings: 139/10 in 35.2 overs; Shimron Hetmyer 27, Sunil Ambris 43, Jomel Warrican 41, Taijul Islam 6/33, Mehidy Hasan Miraz 2/27, Shakib Al Hasan 2/30.