Chasing 139, Tripura, who had lost to Odisha in their opening fixture yesterday, lost wickets at regular intervals but Takawale held the fort by slamming three sixes and four boundaries en route to a 49-ball 58.
The former Maharashtra batsman struck two sixes and one boundary for 19 runs against seamer Rahul Shukla in the penultimate over to take his side to 20 runs shy of target.
Singh was the pick of Jharkhand bowlers with figures of 3/27 while left-arm spinner Sarfaraz Ashraf picked 2/20.
Earlier, opener Ishank Jaggi (36 from 29 balls; 6x4) and skipper Saurabh Tiwary (25) pushed their total to 138/7 after they elected to bat.
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Jharkhand too did not have any partnership going in the middle and struggled to cope with the slow wicket.
It was Kumar Deobrat (16) and Kaushal Singh (16 not out from 11 balls) who propped up their total, something that proved just sufficient in the end.
Brief Scores
Jharkhand 138/7; 20 overs (Ishank Jaggi 36, Saurabh Tiwary 25; Manisankar Murasingh 2/15, Tushar Saha 2/16, Subash Chakraborty 2/30) b Tripura 127/7; 20 overs (Yogesh Takawale 58; Jaskaran Singh 3/27, Sarfaraj Ashraf 2/20) by 11 runs.