Kashyap, who has been struggling to cross the opening round ever since recovering from his series of injuries, finally reached the quarterfinals of a major event after overcoming compatriot Shreyansh Jaiswal 21-19 19-21 21-12.
Coming back after recovering from a shoulder injury, Sameer also dished out an attacking game to see off former World No. 3 and 2014 World Championship bronze medallist Tommy Sugiarto of Indonesia 21-18 19-21 21-17 in an hour and 20 minutes match.
Unseeded pair of Satwik and Ashwini then registered a stunning 21-16 15-21 23-21 win over third seeded Malaysian combo of Tan Kian Meng and Lai Pei Jing. The duo blew four match points before recovering in time to reach their maiden quarterfinals of a major tournament.
Eighth seeded Indian duo of Pranaav Jerry Chopra and N Sikki Reddy also entered the quarterfinals after seeing off Malaysian-Indian pair of Yogendran Khrishnan and Prajakta Sawant 21-10 21-19 in 32 minutes.
Manu Attri and B Sumeeth Reddy too progressed to the last eight stage with a 21-11 21-15 win over compatriots Tushar Sharma and Chandrabhusan Tripathi.
Earlier, unheralded Mugdha Agrey’s campaign ended with a 12-21 16-21 loss against fifth seeded Beiwen Zhang of USA, while eighth seeded Spaniard Beatriz Corrales ended Ruthvika Shivani Gadde’s run with a 21-19 21-16 win.
Iceland International winners Rohan Kapoor and Kuhoo Garg also lost 10-21 11-21 to fifth seeded Danish pair of Mathias Christiansen and Christinna Pedersen.