China Open champion Sindhu, who has never defeated London Olympics bronze winner Saina in a tournament, finally exorcised the ghosts of her losses with a 11-7 11-8 victory over her senior colleague in a crucial women's singles clash which was Chennai's trump match.
The Warriors then needed to win their men's doubles Trump match but V Shem Goh and Markis Kido failed to produce the desired result and went down 3-11 10-12 to Chennai's Chris Adcock and Mads Pieler Kolding in the final rubber.
However, Parupalli Kashyap brought Chennai back into the contest as he produced a measured game with controlled aggression to outwit W Ki Vincent Wong 11-4 11-6 to make it 1-1.
The second men's singles pitted Rio Olympics quarterfinalist Kidambi Srikanth against 2014 World Championship bronze medallist Tommy Sugiarto and the Indian dished out a gritty performance to stave off the challenge from the Indonesian with a 14-12 11-7 win to put Awadhe Warriors 2-1 ahead after the third match.
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The match started on a pulsating note as Sindhu tried to push Saina at the back of the court and then catch her at the net. Her ploy worked initially as she led 4-2. But, Sindhu committed a series of errors as her miscued drops found the net and also went out as Saina kept breathing down the neck at 5-5.
Saina moved into the break with a slender 6-5 lead after Sindhu hit long.
After the breather, Saina moved into a 7-6 lead before she smashed at the nets to allow Sindhu level the score. Another error in a net dribble and the tables had turned as Sindhu led 8-7.
The second game started with the same intensity as Sindhu made her intent clear with a power-packed smash to earn the first point. She hit out next before a forehand return found Saina struggling.
The 26-year old then produced a body smash to make it 2-3 but she once again found the net and Sindhu too produced a superb smash which left Saina stranded.
Sindhu then sent one at the forecourt but she misjudged the shuttle at the baseline but she still led 5-3. Sindhu went into the break with a 6-3 lead after earning a point with her cross court slice.
Sindhu moved to 9-5 with a deceptive net play after Saina had committed another error. Saina once again narrowed the lead to 8-9 but Sindhu soon produced a cross court smash before a superb drop from the back of the court sealed the issue for her.
Sindhu said: "I knew it would be an exciting match and it went on well for me. There were rallies but I played a good game. The competition has been tough with Carolina Marin and Sung Ji Hyun also playing well.