The top seed had been unbeatable all week, but in the first two sets, the Serbian seemed a little off-colour before securing a 6-7(8), 7-6(3), 6-4 victory over the 22-year-old.
Top-seed Unnati once again lived up to the expectations and stamped her authority in the U-17 women's singles semi-final when she wrapped up the match in straight sets. The Odisha Open champion has not yet dropped a set in her campaign at the prestigious event.
While fifth-seed Dhruv, who hails from Uttarakhand, fought hard against Thailand's Panya Phutthiphraisakul during his 21-14, 17-21, 21-15 win in the men's category, top-seed Unnati and Anmol had easy outings in the women's section
The Indian badminton team defeated Chinese Taipei's Lu Ching Yao and Yang Po Han 21-13, 21-19 in the final after eliminating the top seeds from Japan, Takuro Hoki and Yugo Kobayashi, in the quarterfinals.
In the quarterfinals, the Indian badminton team defeated the top seeds from Japan, Takuro Hoki and Yugo Kobayashi. In the semifinals, they defeated Choi Sol Gyu and Kim Won Ho of South Korea by a score of 21-18, 21-14.
Tenth-seeded Chirag Shetty and Satwiksairaj Rankireddy put on a brilliant performance to defeat top-seeded Japanese players Takuro Hoki and Yugo Kobayash 23-21, 21-18, in 49 minutes.
After claiming the first break of the match for 4-3, however, the top seed's variety of consistent, strong hitting came to the fore as he clinched a 98-minute victory.
Debasis Sahoo, the second seed at Boy's U16 Singles beat Jevin Ashok Kanani 6-2, 6-4. Commenting on his win, Debasis added, "It was a really good match today where I won 6-2, 6-4. I really had fun during the match and I really hope to give my best in the next matches."
Top seeds Telangana after beating Maharashtra 3-2 will now face the HS Prannoy-led Kerala team, which got the better of hosts Gujarat 3-1, in the summit clash. Kerala got the better of hosts Gujarat 3-1.
The top seeds, Rohan Bopanna and Matwe Middelkoop, defeated Santiago Gonzalez of Mexico and Andres Molteni of Argentina 6-2, 6-4 in the tournament final.