"I want to come back stronger", she told PTI today.
"I am confident that in the next two-three years I can do better than what I have done in the last five-six years. I have to do better," the ace shuttler added.
Saina expects to recover fully by December if things go as planned.
"If everything goes right, I am keen to take part in Dubai World Superseries Finals during that month".
Saina, a former world number one, failed to progress to the knock-out stage in Rio Olympics in a shock early exit from the competition and returned to India with unbearable pain in right knee.
She underwent surgery last month at the Kokilaben Dhirubhai Ambani Hospital in Mumbai for broken bone below kneecap. A physio is now working with her as part of rehab process, and a trainer would join later this month.
Saina last month dropped four places to be number nine in the latest world rankings. She would miss the coming Japan, Denmark and France Superseries, and it may impact her ranking adversely.
Saina said she was very keen to do well in Rio but it turned out to be a "disaster" following the knee pain.
"May be God wished like this, may be I will become stronger", she said.
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