Gill and opening partner Sai Sudharsan (52 off 36 balls) added 114 for the first wicket to set the platform for an eventual total of 198-3 from their 20 overs.
England international Jos Buttler provided late impetus into the innings with an unbeaten 41 off 23 deliveries as the Titans fell just below the 200-run mark.
The Knight Riders run-chase looked on course when they reached 84-2 in the 12th over but wickets at regular intervals derailed their ability to get over line.
Veteran Ajinkya Rahane was the only batter to carry through his good form with 50 from 36 balls but the skipper received no support as the next best score was 21 from Andre Russell.
India seamer Prasidh Krishna and Afghanistan spinner Rashid Khan were the best bowlers on display for the Titans as both players returned figures of 2-25 from four overs.
Jofra Archer delivered a match-defining all-round display as Rajasthan Royals beat Mumbai Indians by 30 runs at the Wankhede Stadium to secure a playoff berth, while Delhi Capitals closed their season with a 40-run win over Kolkata Knight Riders.
Punjab Kings overcame early setbacks to beat Lucknow Super Giants by seven wickets with 12 balls remaining on Saturday, ending a six-match losing streak in the Indian Premier League.
Angkrish Raghuvanshi has been ruled out of the remainder of IPL 2026, dealing a crushing blow to Kolkata Knight Riders at a decisive stage of their playoff push.
Sunrisers Hyderabad produced a formidable batting display at the Rajiv Gandhi International Stadium posting a massive 255/4 and then restricting Royal Challengers Bengaluru to 200/4 to secure a commanding 55-run victory in the 67th match of IPL 2026.
