Bibek and Sunit were three shots clear of the third placed Gurkirat Singh in the top category (A and B).
Bibek also topped Category B with Sreenjoy Majumadar, Bishwam Ghosh, Gurshan Singh Grewal and Surya Sikhar Bose being tied for the second place with a score of 83 each.
Sandeep Yadav who shot a 76, took a eight-shot lead in Category C.
Rajib Ali emerged as the leader in Category D when he shot a 79. Arav Shanghavi was second at 100 while Divij Sehgal was third at 101.
Gurman Kaur topped the Girls Junior with a score of 82 while Mamta Saraogi and Siddhi Kapoor were second and third with cards of 83 and 87 respectively.