Electing to bat in the four-day encounter at the Saurashtra Cricket Association Stadium, the Jaydev Shah-led hosts started off well only to loose momentum at the introduction of spin as Yadav (7-64) and Yuzvendra Chahal (2-72) spun a web around the middle and lower-order.
Chirag Jani top-scored with an unbeaten 54 only to see the last five batsmen go back to the pavilion for a mere 58 runs.
On a day of spin domination, off-spinner Kamlesh Makvana (2-32) and left-arm spinner Dharmendrasinh Jadeja (1-20) also combined well to pick three early wickets including that of Sunny for a duck.
Opener Rahul Dewan (35 not out) and Yadav (17 not out) are battling it out in the middle.
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Brief Scores:
Saurashtra 1st Innings 238 all out in 59.1 overs (Chirag Jani 54 not out, Sagar Jogiyani 49, Sheldon Jackson 46; Jayant Yadav 7-64,Yuzvendra Chahal 2-72)