Hima Das was disqualified from the semi-finals of the same event following a false start.
India's total medal tally now stands at fifteen- 4 gold, 3 silver and 8 bronze.
Sanjeev Rajput has earlier won bronze in the same category at the 2006 Asian Games in Doha.
Saurabh Chaudhary set an Asian Games Record of 240.7 in 10m air pistol event.
She became the first Indian woman wrestler to win gold at Asian Games.
Ravi Kumar won bronze in the 10 m air rifle mixed team event along with Apurvi Chandela on Sunday.
With the win, Nadal clinched his 80th ATP World Tour title and fifth victory of the year.
Nadal beat his Russian opponent 7-6 (3), 6-4 to register a straight set victory in a one side clash.
Since 2016, it is Sindhu's eighth loss in major finals.
India had a remarkable win against Argentina 2-1 in COTIF Cup 2018 held at Spain.