Chennai Kings, left with a daunting ask of scoring 15 more in the final over bowled by Malik, found its man in Manpreet who pulled the first ball to a six over mid-wicket and followed it up with a boundary in vacant third-man off the third ball. Badri and Gony scored three more runs in the fourth and fifth ball leaving the equation to one run off one ball.
Badri's heave over mid-wicket found Shikar Dhawan waiting for it only to spill a regulation flier and Chennai batters scampered for all important run to seal a dramatic win.
Delhi sent in to bat totalled a massive 187/5, thanks to blistering knocks from Gambhir (80 off 49) and Shikar Dhawan (59 off 46).
In reply Chennai, riding on the efforts from the batters up the order and a late slurry from Morkel, hunted down the daunting target in the final ball with four wickets in hand.
Young left-arm seamer Sangwan was the pick of Delhi bowlers with 2 for 29 in his four overs. Yomahesh too plucked two wickets but was guilty of conceding too many runs. However it was spinners Malik and Sehwag who proved costly for Daredevils. The duo combined gave away as many as 58 runs in four overs.
Chennai Super Kings surged past Daredevils to third position in the points table with 10 points from five wins to Delhi's 8 pts. However Delhi has played one lesser then the Southern counterparts.
Chennai Super Kings planned the chase to the perfection with openers Vidyut (40 off 23) and Fleming (44 in 28) providing 'em a good start with a rapidfire 62-run stand in just six overs.
Dhoni held his side's innings firm playing a sheet anchor role to the perfection with a run-a-ball 33 while Morkel took to the attack belting 30 off 15 studded with two hits to the fence and three over it.
Chennai unit suffered some scary moments in the final moments losing two quick wickets including Dhoni in quick succession before Gony (13*) and Badri (8*) held their nerves to see their side home.
Earlier Opener Gautam Gambhir hit a magnificent 49-ball 80 and shared a massive 121-run stand for the third wicket with Shikhar Dhawan (59 off 46) as Delhi Daredevils totalled a competetive 187 for five.
Put in to bat first Daredevils got off to a flier with openers Gambhir and Virender Sehwag sharing a quickfire 45 runs in 30 balls.Sehwag was looking in ominous form as he dispatched the first ball he faced for a four over the point. But the dangerous looking batsman was soon shown the way to the pavilion by Manpreet Gony, who clean bowled the Daredevils' skipper.
The Super Kings did not have to wait long for their second victim as in the next over AB de Villiers found no answer to his South African teammate Albie Morkel's yorker and went without troubling the scorers.
However, Gambhir had other plans and did not let the Super Kings take advantage of the oppoortunity. Left-hander Shikhar Dhawan joineGambhir and both the batsmen led the charege for the home team.
Gambhir and Dhawan added 121 runs in just 70 balls. Dhoni kept changing his bowlers over after over but the duo defied him from taking their wickets.
While Gambhir's innings was studded with 11 fours and two sixes, Dhawan's innings of 59 (46 balls) included six fours and two sixes.
The son-in-law of Chennai Murli bowled a tidy spell giving away 25 runs off his four overs but went wicketless. Morkel and Laxmipati Balaji - playing his first competitive game after two years or so conceded too many runs before claiming two wickets apiece.
Chennai will play a Mohali in home game on Saturday while Delhi will face Jaipur in a away tie on Sunday.