Rejuvenated after a month-long break from a hectic BWF schedule, Sindhu and Srikanth prevailed over Japanese shuttlers Aya Ohori and Kenta Nishimoto in women's and men's singles respectively.
Kim had developed a good rapport with Sindhu, who time and again acknowledged the Korean's role in her success.
India's PV Sindhu scripted history by becoming the first Indian shuttler to reach the final at the Olympics when she shocked Japan's Nozomi Okuhara in straight games in the women's singles at the Rio Games on Thursday.
Indian shuttlers PV Sindhu, HS Prannoy, B Sai Praneeth enter quarter-finals of Macau Open
India's top shuttlers have missed his court-side presence this year but national badminton coach Pullela Gopichand says he can't really help cutting down on travelling as that would come in the way of finding the next crop of world-beaters.
India's leading badminton player Saina Nehwal has dropped four places to be No 9 in the latest world rankings while P V Sindhu remains No 10 despite winning a silver medal in the Rio Olympics.
India's P V Sindhu secured a straight-game win over Chinese Taipei's Tai Tzu Ying to reach the quarter-finals of the Denmark Open in Odense on Friday.
"It is a great win and a fantastic start to the season for me. I have been playing well and I was confident of winning ahead of the final," said PV Sindhu.
P V Sindhu advanced into the women's singles final
Olympic silver medallist PV Sindhu on Saturday accused an Indigo ground staff of misbehaving with her while travelling from Hyderabad to Mumbai, even as the airline rejected the celebrated shuttler's allegations.
PV Sindhu will open her campaign against South Korea's Sung Ji Hyun, while Saina Nehwal takes on Scotland's Kristy Gilmour in the first round.
Sindhu dished out a compact game to outwit Sayaka 21-17, 21-16 in a second round match on Thursday to set up a clash with seventh seeded Chinese He Bingjiao.
The opening ceremony will be held on April 4.
India's men's singles campaign suffered a setback as none of the players could make it past the opening round on Day 2 of the India Open in New Delhi on Wednesday.
India's schedule on Friday, August 5, Day 8 of the Birmingham Commonwealth Games.
P V Sindhu has made early exits in as many as seven of the 12 BWF World Tour events this year.
Xuerui retained her title beating Sindhu 21-19, 21-12 in a 47-minute encounter.
This year PV Sindhu has reached the summit clash at India Open, the Commonwealth Games and the Thailand Open but failed to cross the final hurdle, prompting many critics to once again describe her as the 'perennial bridesmaid'.
Tokyo Olympian B Sai Praneeth will meet compatriot HS Prannoy in his opening match, while former Commonwealth Games champion Parupalli Kashyap will square off against a qualifier.
Ace Indian shuttler Parupalli Kashyap clinched his maiden Grand Prix title after a thrilling three-set win over Tanongsak Saensomboonsuk of Thailand in the men's singles summit clash in the $120,000 Syed Modi Indian GP Gold tournament.
Indian women's doubles pair of Treesa Jolly and Gayatri and Gayatri Gopichand also improved two spots to the 17th position.
Shuttler PV Sindhu raised serious hopes of breaking India's long-awaited medal quest in the Rio Olympics by storming into the semifinals of the women's singles event with a stunning straight games win over London Games silver medallist Wang Yihan of China.
Rio Olympics and World Championship silver medallist P V Sindhu stood one step away from winning the Korea Open Super Series, in Seoul, on Saturday.
Top Indian shuttlers, PV Sindhu and Parupalli Kashyap advanced to the women's singles quarter-finals and men's singles pre-quarterfinals, respectively, of the $120,000 Malaysia Masters Grand Prix Gold in Kuching.
Rio Olympic silver medallist P V Sindhu jumped two places to achieve her career-best ranking of seven, while Saina Nehwal was also back in the top 10, in the latest BWF World Ranking.
India's P V Sindhu hopes no one will ever question her ability to win big titles, relieved at breaking the finals jinx with a historic triumph at the World Tour Finals in Guangzhou.
Lakshya Sen moved a place to world number 17, despite not competing in the last two weeks.
After losing seven successive finals, PV Sindhu finally redeemed herself with the gold medal at the World Tour Finals.
HS Prannoy climbed up two spots to achieve a career-best world number seven
The script remained the same in the second game as well, with Sindhu maintaining her firm grip over the proceedings to race to a 6-0 lead in just two minutes.
This was Sindhu's second consecutive loss to Tzu Ying. Saina was no match for Carolina Marin, who took exactly half-an-hour to dispose of the Indian's challenge, beating her 8-21, 7-21.
P V Sindhu eased into the second round with a straight-game win after fellow Indian Lakshya Sen showed his mettle with a stunning victory over world No. 10 Japanese Kanta Tsuneyama on the opening day of Indonesia Masters Super 750 in Bali on Tuesday.
Saina Nehwal and PV Sindhu continued their winning run at the Malaysia Open notching up contrasting victories to reach the quarter-finals of the women's singles competition at the USD 550,000 Super Series Premier tournament.
Rising shuttlers PV Sindhu and K Srikanth lead the way for Awadhe Warriors as they crushed Krrish Delhi Smashers 4-1 in the inaugural Indian Badminton League (IBL) in Pune.
With the main draw of the Asian Badminton Championships set to get underway from Wednesday, the struggling Indian shuttlers face an uphill task.
'It is a beautiful portrait of Ek Bharat, Sreshth Bharat.'
Reigning women's singles Olympic badminton champion Carolina Marin of Spain has withdrawn from the Tokyo games due to a knee ligament injury.
Olympic silver medallist P V Sindhu and B Sai Praneeth moved into the quarter-finals of Japan Open badminton tournament after registering contrasting wins but it was curtains for H S Prannoy.
The duo is aiming for top-30 ranking and continued success in bigger tournaments.
India's top shuttlers PV Sindhu and Saina Nehwal, on Wednesday, suffered shocking first-round exits from the Malaysia Open Super Series in Kuching.