Known more as a Test specialist, left-arm spinner Taijul got his second six-wicket haul in List-A cricket as Rupganj were skittled out in 32.4 overs in reply to Mohammedan's below-par 135.
Rupganj's innings saw only Yasir Ali, Naeem Islam and Mosharraf Hossain reaching double figures. Apart from Taijul's six wickets, Sajedul Islam took two wickets.
Earlier left-arm spinner Asif Hasan took four wickets while Mohammad Sharif and Jalaj Saxena took two wickets apiece as Mohammedan were bowled out for 135 runs in 39.4 overs. Captain Raqibul Hasan top scored with 24 as the rest of the batting line-up had plenty of starts but no big score.
Abahani Limited got back to winning ways with a six-wicket win over Kalabagan Krira Chakra at the BKSP-3 ground in Savar.
Kalabagan were constrained by Shuvagata Hom's accuracy as the offspinner took four wickets. One of his scalps was that of Tushar Imran, who top scored with 36. Mohammad Saifuddin and Manan Sharma took two wickets each as Kalabagan were bowled out for 156 in 45.5 overs.
Saif Hassan struck 61 off 62 balls with six fours and a six as the defending champions reached the target with 19.4 overs to spare.
Both batsmen made fifties with Marshall making 62 off 85 balls with six boundaries while Nafees struck an unbeaten 78. He hit five fours and a six in his 125-ball knock.
Earlier batting first, Prime Bank were bowled out for 180 in 49.5 overs. Zakir Hasan reached his third List A fifty but it was a pain-staking effort as he tried to keep the crumbling innings together. He struck two fours and a six in his 103-ball innings. Farhad Reza and Delwar Hossain took three wickets each for Prime Doleshwar.