Delhi Police tweeted video messages from Virat Kohli and Ishant Sharma among other sporting personalities.
Pullela Gopichand had claimed in a book that former badminton star Prakash Padukone had encouraged Saina Nehwal to leave Gopichand's academy in Hyderabad.
Jwala Gutta said that the multiple hats that Pullela Gopichand dons amounts to conflict of interest which needs to be looked into.
Sindhu's comments have come soon after former badminton player Jwala Gutta alleged "mental harassment" by an unnamed coach.
Jwala Gutta, who is an Arjuna awardee, hasn't named anyone yet.
Abhinav Mukund stood up against colour discrimination and other cricketers have supported his message.
This wasn't the first time the 33-year-old has taken on a troll. Jwala is among the few Indian athletes who speaks her mind and doesn't shy away from taking a position on issues that make headlines.
Indian badminton player Jwala Gutta expressed her anguish at the way Gurmehar Kaur has been hounded on social media for her anti-war stance
Delhi Acers bounced back from their previous three defeats, beating Chennai Smashers by a scoreline of 5-2 in a Premier Badminton League match on Sunday. Catch the highlights from the PBL 2017 match in Bengaluru
Delhi Acers were handed a humiliating defeat by Awadhe Warriors as they lost the tie by -1,6 in the Premier Badminton League match on Thursday. With this win, Lucknow team reaches at the top of the points table with 11 points and Delhi are still at the bottom.
Saina Nehwal and Kidambi Srikanth led Awadhe Warriors charge as they outclassed Delhi Acers to win the tie 6(-1) in the Premier Badminton League on Thursday.
Delhi Acers, the 2016 Premier Badminton League champion, are back with new team members with an aim to defend their title.
While badminton players Saina Nehwal and PV Sindhu were off to winning starts along with tennis pair of Sania Mirza-Rohan Bopanna but archers Deepika Kumari and Bombayla Devi disappointed after exiting Rio Olympics.
Saina Nehwal edged past Brazilian Lohaynny Vicente in her first round, whereas ninth seed PV Sindhu beat Laura Sarosi of Hungary. However, Manu Attri and B Sumeeth Reddy lost in men's doubles and the women's doubles pair of Jwala Gutta and Ashwini Ponnappa too suffered the same fate
Having won a bronze medal four years back in London, Saina Nehwal will be hoping to bring home the gold medal from the Rio Olympic Games this month
Parupalli Kashyap also termed PV Sindhu and Kidambi Srikanth as dark horses of the upcoming quadrennial sporting event
Saina Nehwal's city-mate PV Sindhu retained her tenth spot in women's singles, whereas the women's doubles duo of Jwala Gutta and Ashwini Ponappa are placed 20th in the latest Badminton World Federation rankings