Unnati won 21-18, 21-11 to be crowned the Odisha Open champion for the first time.
Sindhu took just 33 minutes to get the better of American Lauren Lam 21-16 21-13
Former world No. 1 Saina, who missed a lot of tournaments last year due to multiple injuries, moved to the second round after her opponent, Czech Republic's Tereza Svabikova, suffered a back injury and retired mid-way while trailing 20-22, 0-1 in an opening round match.
The 14-year-old Unnati pipped Malvika 24-22, 24-22 in a nail-biting 50-minute semifinal clash
The other men's singles semi-final match on Saturday will be played between Priyanshu Rajawat and Kaushal Dharmamer.
Two-time Olympic medallist P V Sindhu stormed into the second round of the women's singles in the Syed Modi International Super 300 badminton tournament after a dominating victory over compatriot Tanya Hemanth, in Lucknow, on Wednesday.
In other India-related news, Manish Kaurav (KL3 men 200m) and Manjeet Singh (VL2 men 200m) made it to the finals of their respective events for the first time in the history of the tournament.
Summary of sports events and persons who made news on Saturday
