Asked to score 118 to win, Kings XI finished 94 for three in eight overs to emerge winners via D/L method.
Jayawardene and Pomersbach keeping an eye on the run-rate played a calculated innings.
The Kings XI Punjab chasing a daunting target in just 11 overs got off to a disasterous start losing their first three wicket for 31 in the fourth over. Sangwan and Mishra packed off the in-form Aussies Shaun Marsh and James Hopes early on.
Yuvraj promoting himself up the order looked threatening during his brief stay at the crease. The fiesty southpaw hoisted McGrath for two successive sixes. He raised 23 runs in just 8 balls before trying one too many was holed out to Maharoof at mid-off off McGrtah.
Jayawardene (36 off 17, 3X4s&2X6s) and Pomersbach (25 in 12, 3x6s) swung the momentum in favour of Mohali after the duo belted Sehwag for 22 runs. The Aussie-Lankan duo added a brisk unbeaten 63-run stand when rain halted the game. At that point of time Mohali was six runs ahead of the required rate to wrap up the match.
The local outfit was tad unlucky when umpires called play-off as it was only drizzling and the playing conditions wasn't that bad.
Earlier upmires decided for 11-over-a-side game after unseasonal rain delayed the start by well over two hours. Daredevils' skipper Sehwag opted to bat and gave his side a blazing start. The Delhi swashbuckler made his intentions clear in the very first over as he heaved a half-volley from Sreesanth out of park.
The Orange Cap owner Gambhir too joined the party with a flurry of boundaries in the first five overs. The Delhi opening duo raised a quickfire 75 in seven overs.
Ramesh Powar playing his first game in the event halted Gambhir juggernaut defeating the southpaw with the flighted one to rearrenge his woodwork.
James Hopes bowled a measly final over conceding just runs besides plucking the wickets of Maharoof and Dilshan. Sehwag remained unbeaten on 51 which came off 26 balls.