Nitin notched up 68 in 87 balls with a six and half a dozen fours to help his team muster a challenging 258 in 45 overs to which their rivals replied with 138 in 33.2 overs.
Vijay Yadav and Ankit Singh grabbed 3 wickets each, while Prashant Srivastav took two.
In two other matches, Don Bosco Higher Secondary School, Tamil Nadu defeated AVR E-Techno School, Vijayawada, by 66 runs, while Dehinagar KCR Vidya Pith, West Bengal scored a thrilling 2-run win over Shreyas Samarpan Vidyalay, Vadodara.