The trio was part of the Indian men's team that won the gold medal in the Incheon Asian Games.
The tournament would help him in his preparations for the World Open commencing on November 12 in Doha, Qatar, said 20-year-old Mangaonkar at the media conference to announce the tournament here today.
"I want to try and become the India number 1. I have played in four nationals earlier and (9-time winner) Saurav had not been beaten in any of them. The tournament would also help me prepare for the World Open in which I am seeded number 2 in the qualifiers," said Mangaonkar.
Saurav has won eight of the nine men's titles in a row and the only time he had been beaten was at the nationals hosted by Bombay Gymkhana here by senior Ritwik Bhattacharya.
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The women's draw in the nationals is headed by Joshana Chinappa in the absence of India no. 1 Deepika Pallikal, with whom she created history in July by clinching the doubles gold in the Glasgow Commonwealth Games.
"I finished runner up in the JSW Circuit challenger in Jaipur (after losing to Sandhu in the final) and then won in the Juhu event in Mumbai. I skipped the next two. I expect my ranking to be 48 or 49 when the new list is released on November 1," said Mangaonkar.