Put into bat in the four-day encounter at the Maharaja Bir Bikram College Stadium, openers Ghosh (59 not out) and Udiyan Bose (29) struck a 46-run opening but new-ball bowler Nizar Niyas (3-25) struck back to rattle the middle order.
The Rajesh Banik-led side slipped from 80 for two to 121 for six as pace spearhead Sandeep Warrier, medium-pacer MD Nidheesh and left-arm spinner Karaparambil Monish picked up a awicket each.
Brief Scores:
Tripura 1st Innings 127/6 in 63 overs (Bishal Ghosh 59 not out, Udiyan Bose 29; Nizar Niyas 3-25).