Both scored fifties as SRH chased down RR's 164/5 with nine balls to spare.
Harshal dismissed Hardik, Pollard and Chahar to bag three in three; Glenn Maxwell, Yuzvendra Chahal and Virat Kohli also fire for RCB.
With 24 required from ten balls, he smashed Prasidh Krishna for 20 runs in four balls.
Punjab Kings defend 125 to keep their hopes of making the top four alive.
Against Rajasthan Royals, Nortje, Rabada and Avesh helped Delhi defend their third-lowest total in IPL.
Scotland have beaten Papua New Guinea by six wickets in their World Cup League 2 match in Oman.
Devdutt Padikkal and Virat Kohli fifties goes vain as Chennai Super Kings won six wickets at Sharjah on Friday.
Tripathi and Iyer scored fifties in KKR seven-wicket win. MI slip to sixth spot in the standings.
Delhi Capitals sealed a comprehensive eight-wicket win over Sunrisers Hyderabad in IPL 2021 at Dubai on Tuesday.
Punjab Kings needed 10 off 15, and then 4 off 6 but still fell short.
