Saina, who turns 23 on March 17, was overtaken by World Champion Yihan Wang in the women's singles rankings.
Saina notched up a three-game victory over Sapsiree Taerattanachai of Thailand to reach the pre-quarterfinals.
Sourabh prevailed over Brice Leverdez 22-20 23-21 in a 40-minute battle and will now take on Rajiv Ouseph in 2nd Rd
Jwala had taken a break after the London Olympics and for the last two months, has been working out to get back in shape for All England.
Ashwini Ponnappa got off to a winning start when she won both her women's and mixed doubles first round matches at the German Open.
After a rather subdued performance last year, Saina turned 2012 into a milestone year for Indian badminton when she fetched the country's first Olympic medal at the London Games.
Ponnappa and Tarun bowed out of the Denmark Open Super Series Premier, losing in straight games in the first round.
Despite winning two out of their three matches in Group B, Ponnappa and her partner Jwala Gutta failed to progress to the quarter-finals.
India's re-appeal against the result of a group B match between Japan and Chinese Taipei was turned down.
The Indian doubles pair is likely to be reinstated and can replace one of the disqualified pairs, says reports.
BAI president said that their formal protest was rejected because of lack of evidence.
Following the match-fixing scandal that has rocked the 2012 London Olympics, we take a look at other controversial incidents in the history of the Games.
Jwala and Ashwini defeated Singapore pair of Lei Yao and Shinta Mulia Sari 21-16, 21-15 but still crashed out.
After winning a bronze in shooting, Indian contingent is hopeful of achieving more laurels in badminton and tennis
The Indian pair of Jwala Gutta and Ashwini Ponnappa defeated Chinese Taipei's Wen Hsing Cheng and Yu Chin Chien 25-22, 16-21, 21-18 in a group B match in 55 minutes.
Gutta and Ponappa lost their opening group match to the Japanese duo of Mizuki Fujii and Reika Kakiiwa.
She is the finest doubles player India has ever produced. The spotlight will surely be on her at the Olympics.
The ace shuttler believes she and her partner Jwala Gutta have a bright chance of winning a medal at the London Games.
Jwala, who has made it to the women's and mixed doubles, is excited about her prospects.
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