Goa resumed their first innings on 234 for eight in the morning and they were soon bowled out for 251. Both the wickets went to seamer Manisankar Murasingh.
In reply, Tripura's opening partnership was worth 43 but Gawas (2/42) took two in two balls to peg them back. Bishal Ghosh (37) and Rakesh Solanki (43) steadied the innings for a while before Yadav (3/27) struck twice in successive overs.
Kaushal Acharjee was giving Dey company on eight at the draw of stumps.
Brief Scores:
Goa: 251 all out in 75.5 overs (Reagan Pinto 82, Amogh Sunil Desai 60; Rana Dutt 6/64).
Tripura: 139 for 5 in 43.3 overs (Bishal Gosh 37, Rakesh Solanki 43; Amit Yadav 3/27, Gauresh Gawas 2/42).