Harshit Aggarwal defeated Mongolia's Batdavaa Munkhbat 21-15, 21-13 to be pitted against Japan's third seed Kodai Naraoka in the third round.
However, the tournament was over for fourth seed Sameer Verma after he retired hurt against Ireland's Nhat Nguyen.
Entering the tournament as the top seed in the women's singles, rising shuttler P V Sindhu will spearhead the Indian challenge at the Malaysia Grand Prix Gold 2013, starting in Kuala Lumpur on Tuesday.
Sourabh will next face Korea's Heo Kwang Hee for a place in the men's singles final.
Indian shuttler Ajay Jayaram disposed off Netherland's Mark Caljouw in straight games to advance to the pre-quarterfinals but it was curtains for Sameer Verma and Rituparna Das at the World Championship in Glasgow.
Title-contenders Saina Nehwal and B Sai Praneeth advanced to prequarter-finals of the Thailand Open after notching up straight-game wins in the women's and men's singles competition respectively.
Indian shuttler Sourabh Varma reached the semi-finals of the Belgian International Challenge after an easy victory over Kieran Merrilees of Scotland in the men's singles competition in Leuven, Belgium, on Friday.
Sourabh Verma and Ajay Jayram also entered the second round
The fifth seeded Indian will face Indonesian Fitriani Fitriani next.
Sourabh kept moving ahead despite a spirited fight from Heo and eventually pocketed the match.
Young shuttlers PV Sindhu and Kidambi Srikanth scored contrasting victories to win the women's and men's singles titles respectively at the 78th Senior National Badminton Championships in Delhi on Monday.
Sameer Verma stayed on course for his title defence while three-time former champion Saina Nehwal too reached the semifinals with an easy win
Top Indian shuttlers Saina Nehwal, P V Sindhu, K Srikanth and Parupalli Kashyap reached the second round of Syed Modi International Grand Prix Gold badminton tournament after scoring easy victories in Lucknow.
Summary of sports events and persons who made news on Sunday
India will be sending full teams for the Thailand Open Grand Prix Gold (May 30-June 4), Indonesia Open Super Series (June 12-18) and Australian Open Super Series (June 20-25).
Ace Indian shuttler Saina Nehwal, who has been training under Vimal Kumar for the last one week, wants the former chief coach to travel to Incheon, Korea with her for the upcoming Asian Games.
Defending champion Saina Nehwal and two-time World Championships bronze medallist P V Sindhu advanced to the quarter-finals, but it turned out to be a dismal day for star shuttlers Lin Dan and Lee Chong Wei at the India Open Super Series in Delhi on Thursday.
Defending champion Saina Nehwal and World number five Kidambi Srikanth were among the nine Indian shuttlers who entered the quarter-finals of the singles events at the Syed Modi International Grand Prix Gold badminton tournament in Lucknow.
A summary of sports events and persons who made news on Thursday.
Jerome Barson, who was a passenger in a sedan that collided with the SUV that Venus Williams was driving, died 13 days after the accident.
Olympic silver medallist P V Sindhu advanced to the pre-quarterfinals of the women's singles competition after defeating Korea's Kim Hyo Min in the second round of the World Championship in Glasgow on Tuesday.
Defending champion Saina Nehwal entered the pre-quarterfinals but it turned out to be a disastrous day for the men with all of them, including reigning champion K Srikanth, failing to cross the opening hurdle at the Yonex-Sunrise India Open Super Series badminton.
Kidambi Srikanth and two-time bronze medallist P V Sindhu will headline a 21-member Indian contingent as they gun for the elusive gold medal at the World Badminton Championships starting in Glasgow on Monday.
A rematch of the All England final between India's Saina Nehwal and world champion Carolina Marin is on the cards with the two stars given first and second seeding in the Yonex Sunrise India Open Superseries to be played from March 24.
Star India shuttlers P V Sindhu and Kidambi Srikanth notched up comfortable victories but it was young Mumbai player Harsheel Dani who hogged the limelight at the Syed Modi Grand Prix Gold when he stunned H S Prannoy in straight games to storm into the quarter-finals in Lucknow on Thursday.
Olympic medallists P V Sindhu and Saina Nehwal made a resounding start to their women's singles campaign but it was Sameer Verma who hogged the limelight with a stunning straight-game win over Korean Son Wan Ho in men's event in the opening round of the India Super Series in New Delhi on Wednesday.
Olympic medallists Saina Nehwal and P V Sindhu will be the cynosure of all eyes when the seventh India Super Series badminton tournament gets underway with the qualifiers in New Delhi on Tuesday.
Summary of sports events and persons who made news on Friday
A summary of sports events and persons who made news on Tuesday
PV Sindhu survived a scare against Hong Kong's Cheung Ngan Yi before prevailing 19-21, 23-21, 21-17 in a thrilling singles match that lasted an hour and 27 minutes.
A summary of sports events and persons who made news on Thursday.
A summary of sports events and persons who made news on Wednesday.
The Hong Kong Open finalist, Sameer reached the quarter-finals with a shocking 21-17, 21-15 win in a 40-minute match.
A summary of sports events and persons who made news on Thursday
Commonwealth Games champion Parupalli Kashyap knocked out top seed Lee Hyun Il of Korea in the men's singles opening round of the US Open Grand Prix Gold badminton tournament in Anaheim, United States.
Asian Games medallist Tintu Luka ruled the track on the final day of competition at the 35th National Games, smashing an 18-year-old meet record to win the 800 metres gold before inspiring Kerala to the 4x400m title in Thiruvananthapuram on Friday.