Ramadass saw off compatriot Shanthiya Viswanathan 21-8, 21-8 in the women’s singles SU5 before beating her again and Manasi Joshi 21-17, 21-15 in the doubles along with Mandeep Kaur.

"It feels great to be in the semis of two events at my first World Championships," said Ramadass.

"But I am not done yet, I want to give my best shot and make my country proud.

"Initially it was difficult to adjust to the conditions here; the body is not warming up soon.

"But now I have got used to it and I feel I am able to play my usual game."

Ramadass is due to meet Cathrine Rosengren of Denmark for a place in the final against either Mamiko Toyoda or Kaede Kameyama of Japan.

Sivan is in three semi-finals as she kept her hopes alive of clinching the women’s singles SH6 title with a 21-13, 21-6 victory over Chinese Taipei’s Cai Yi-Lin.

Sivan then paired with Krishna Nagar to overcome Hong Kong’s Chu Man Kai and Choi Wing Kei 23-21, 21-18 in the mixed doubles SH6 quarter-finals.

She will also place in the last four of the women’s doubles after teaming up with Rachana Shaileshkumar Patel to beat England’s 15-year-old Anya Butterworth and Egypt’s Yasmina Eissa 21-10, 21-14.

Compatriot Parul Parmar made it through to the semi-finals after battling past Brazil's Adriane Spinetti Avila 21-12,19-21,21-15, while Joshi has also made it into the last four after overcoming Darunee Henpraiwan of Thailand 21-12, 21-17.

Paralympic champion Pramod Bhagat led the men’s charge for India winning his men’s singles SL3 quarter-final over Ukraine’s Oleksandr Chyrkov 21-17, 21-19.

Defending champions Bhagat and Manoj Sarkar also reached the men’s doubles SL3-SL4 semis with a bye.

"It was a good match," said Bhagat.

"Slowly I feel I am forming a bonding with the courts here.

"And my body feels good playing here. 

"I am confident of making the top of the podium."

Sarkar overcame a second game scare to defeat France’s Mathieu Thomas 21-15, 12-21, 9-21 in the men's singles SL3 quarter-finals and booked a clash with compatriot Nitesh Kumar who pulled out an easy win against England's William Smith 21-8, 21-12.

In men’s singles SL4, India's Sukant Kadam pulled off a spirited 21-10, 21-15 win over Singapore's Chee Hiong Ang.

India’s Chirag Baretha and Raj Kumar and Hardik Makkar and Ruthick Ragupathi advanced to the men's doubles SU5 semi-finals.