Jiwanjot struck as many as 25 boundaries to bring up his 188 off just 200 deliveries.
At the close of play, wicket-keeper Uday Kaul was giving him company on 88 which came off 169 balls and was studded with four boundaries.
Manan Vohra was the only Punjab wicket to fall as he was run out on 52.
Earlier resuming at the overnight score of 332 for seven, Vidarbha added just 28 runs to their score before being bowled out for 360 in their first innings in reply to Punjab's 184.
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Sandeep Sharma was pick of the bowlers for Punjab qith figures of five for 90 while VRV Singh took four wickets giving away 89 runs.
If the match ends in a draw, Vidarbha would take home three points from the match vy virtue of 176 runs first innings lead, while Punjab had to be content with just one point.
Punjab 1st Innings: 184 & 330 for one in 73 overs (Jiwanjot Singh 188 not out, Uday Kaul 88 not out)
Vidarbha 1st Innings: 360 all out in 128 overs (Ravi Jangid 104, Faiz Fazal 99, Amol Jungade 59, Sandeep Sharma 5/90).