Holding on to a comfortable lead, Toofans pushed ahead for a third when Sam Ward's terrific stickwork saw him control an aerial ball and dribble his way into the box before earning a penalty corner.
Jake Whetton (29') was the lone scorer for Delhi SG Pipers who are yet to register an outright victory in the league.
Women's HIL: Odisha Warriors beat Soorma Hockey Club in shootout
Germany ended Belgium's dominance in global hockey in the last five years after yet another stunning comeback from two-goal deficit to beat the defending champions in the penalty shoot-out to win the FIH Hockey Men's World Cup for a third time, in Bhubaneswar, on Sunday.
India were outclassed 0-4 by hosts Belgium in a lop-sided last-four clash, with Florent Van Aubel's fine hat-trick playing a pivotal role in the side's passage to the final of the FIH Hockey World League semi-finals in Antwerp.
The hosts will face arch-rivals Pakistan for a place in the final, the latter scoring 4-2 upset win over eight-time champions The Netherlands earlier in the day.
England shocked five-time reigning champions Australia 3-1, while Belgium defeated Pakistan 2-1 in their Pool A matches on the opening day of the Hero Champions Trophy hockey tournament.
India will face Great Britain in the quarter-finals on Thursday after the British drew 3-3 with Belgium to top Pool A in the Hockey World League (HWL) Final at the Sardar Vallabh Bhai Patel Stadium in Raipur on Tuesday.
India conceded a soft goal in the fifth minute of the second semi-final encounter when Cedric Charlier scored from a field strike for Belgium, which eventually separated both the teams at the Sardar Vallabh Bhai Patel stadium.
Pakistan avenged their Asian Games final loss when they beat India 4-3 in Bhubaneswar on Saturday to enter the Champions Trophy hockey final.