Sindhu saw off Sim 21-13, 12-21, 21-14 in a 59-minute women's singles second-round match to register her third win over the Korean world number 34.
The core of the team remains the same with HS Prannoy, Lakshya Sen and Satwiksairaj Rankireddy and Chirag Shetty in good form and the Indian team would hope the rub of the green also goes their way when it begins campaign on Thursday.
India's campaign ended in the men's singles badminton competition after Arvind Bhatt crashed out in the pre-quarterfinals of the Asian Games in Guangzhou on Thursday.
Rio Olympics silver medallist P V Sindhu began her campaign at the Tokyo Olympics with an easy 21-7, 21-10 victory over Israel's Ksenia Polikarpova in her first singles group match on Sunday.
Chief national badminton coach Pullela Gopichand on Monday singled out world number one doubles pair of Satwiksairaj Rankireddy and Chirag Shetty as favourites for an Olympic medal and said two-time medallist PV Sindhu too is on the right path and can deliver once again at the Paris Games.
India's challenge came to a premature halt at the Indian Open Grand Prix badminton tournament with both P Kashyap and PV Sindhu crashing out in the semi-finals of their respective singles event in Hyderabad on Saturday.
The sports ministry cleared the final contingent that also features 140 support staff and officials, of which 72 "have been approved at cost to the Government" to meet the "requirements" of the travelling sportspersons.
China draws blank in Asiad badminton singles as rivals improve
'It was tough financially for the first few years but my friends and family supported me and once he did well at the 2018 Commonwealth Games, there was no looking back.'
HS Prannoy, Sameer Verma and Sourabh Verma are the men's singles players who have decided to withdraw while doubles specialists Chirag Shetty, Satwiksairaj Rankireddy, Manu Attri and Sumeeth Reddy have also opted out. Leading Indian women's singles players PV Sindhu and Saina Nehwal - both previous Olympic medallists - are making the trip to England, as are their male counterparts Kidambi Srikanth and B Sai Praneeth.
Prannoy will take on Rajawat in the second round.
Prannoy signs off with maiden World Championships bronze medal after losing semifinal to Vitidsarn
'We both are big foodies. We make it a point to go out and try different food after our matches.'
Shuttlers in the singles competition have to be inside top-16 of world rankings to qualify for the Olympics. The cut-off for doubles is also top-16.
The 2020 international calendar concluded with the three tournaments in the Asia leg which was conducted in Bangkok in successive weeks.
India continued their impressive run in the Badminton Asia Team Championships, scoring a hard-earned 3-2 victory over former champions Malaysia, in Hyderabad, on Friday.
Treesa committed a few errors but the Indian duo still managed to keep its nose ahead, despite the fighting Taiwanese pair.
Top shuttler B Sai Praneeth and doubles player Dhruv Rawat have already pulled out after testing positive in the pre-departure testing.
World number one Kento Momota was stunned by number 38 South Korea's Heo Kwanghee on Wednesday, going down 15-21, 19-21 and looking visibly despondent at each lost point in his first round match at the Olympics, on Wednesday.
Another gold medal in Paris would further elevate Neeraj Chopra's status as the greatest ever athlete in the history of Indian sport.
PV Sindhu stormed into the pre-quarterfinals of the Olympic Games' women's singles competition
Chirag Shetty and Satwiksairaj Rankireddy emerged victorious over the England pair of Ben Lane and Sean Vendy in their final Group A match but still missed out on qualifying for the quarter-finals in the men's doubles badminton at the Tokyo Olympics on Tuesday.
The Indian men's team beat a depleted China 3-2 at the Badminton Asia Team Championships at the Gachibowli indoor stadium in Hyderabad
Lakshya Sen is aware that his Olympic qualification is still in choppy waters but said he has been working on his "variations" and "deceptions" during the off-season to regain his world's top-10 position and seal his Paris Games berth.
In a 73-minute battle, Ayush, who hails from Sanoor near Karkala in Karnataka, showed his grit as he recovered from a game down to outwit his Indonesian opponent.
'I don't think we have ever had so many top players either in singles or doubles,' says badminton legend Prakash Padukone.
Ashmita Chaliha produced a gallant fight before the young and inexperienced Indian women's team suffered a 0-3 loss to formidable Japan in the quarterfinals of the Uber Cup badminton tournament in Chengdu on Thursday.
Jwala Gutta thinks it may take India 100 years to emulate China's sporting success but the badminton doubles specialist hopes to bring her country a step closer to that goal by earning a medal at the London Olympics.
2023 was marked by outstanding sporting achievements, shattered records, and the crowning of new champions, all captured by photographers documenting every significant twist and turn.
Lakshya Sen, who won both his matches to play his part in the silver medal-winning effort in men's team event, too dropped one spot to world number 15. Kidambi Srikanth gained a spot to 20th.
India's Siril Verma climbed a whopping 11 rungs to take the number one spot in the junior men's singles category of the Badminton World Federation (BWF) rankings on Thursday.
Lakshya Sen and Kiran George advanced to the second round but HS Prannoy and Kidambi Srikanth made early exits after suffering narrow losses in their respective opening matches at the Indonesia Masters Super 500 badminton tournament in Jakarta on Wednesday.
In mixed doubles, K Sai Pratheek and Tanisha Crasto prevailed 21-18, 21-14 over Macau's Leong Iok Chong and Weng Chi NG to make a winning start.
I want a room full of medals before retiring, says Chirag Shetty
Anup Sridhar, India's top singles player, attained a career best ranking of 25, according to the latest Badminton World Federation's (BWF) ranking list.
P V Sindhu and H S Prannoy sailed into the quarter-finals of the women's and men's singles badminton event with easy victories at the Asian Games.
Star Indian shuttlers Satwiksairaj Rankireddy and Chirag Shetty fought valiantly before going down to the Chinese duo of Liang Wei Keng and Wang Chang in an exciting men's doubles final of the China Masters Super 750 tournament
China shrugged off badminton's biggest Olympic scandal to sweep all five titles at London four years ago but the Asian super-power is trying to keep a lid on expectations of another bumper gold medal haul at the Rio de Janeiro Games. The peerless team that set up the 'Great Haul of China' in London will line up almost unchanged at Rio, anchored by men's singles great Lin Dan and women's champion Li Xuerui. So strong were the Chinese in 2012 that they swept the titles without the reigning world champion women's doubles pairing of Wang Xiaoli and Yu Yang, who were expelled from the tournament in disgrace.
India's PV Sindhu, drawn in easy group, faces Israel's Ksenia in opener.
After winning her first ever Super Series badminton title in Indonesia, Saina Nehwal arrived at Hyderabad on Saturday amidst much fan fare.