Unseeded S D S Krishna of Andhra Pradesh caused the first major upset when he ousted third seed Sanave Thomas [ Images ] of Kerala [ Images ] 15-12, 15-8 in 30 minutes on way to the second round of men's singles in Rs 400,000 NSCI All India [ Images ] Major badminton tournament in Mumbai [ Images ] on Tuesday.

In another first round match, qualifier Siddharth Jain of Petroleum Sports Control Board rallied magnificiently after dropping the first game 5-15, to pip Pallav Deka of Assam 5-15, 15-9, 15-7 in 50 minutes.

In another interesting match, K Srinivasan of Andhra Pradesh came from behind to oust qualifier Ansuman Hazarika of Assam 14-17, 15-5, 15-4 while top seed and international shuttler Abhinn Shyam Gupta of PSCB crushed Nimish Goel of Madhya Pradesh [ Images ] 15-0, 15-7 to enter the second round.

Another international, Nikhil Kanetkar of PSCB too had an easy time beating Anuj Gupta of Gujarat 15-1, 15-8 while Nikhil's teammate Arvind Bhatt had to sweat it out before sidelining wild card Anand Pawar of Maharashtra [ Images ] 15-8, 9-15, 15-8 on way to the second round.

Also storming into the next round with straight games wins were C M Sashidhar, Jibi Verghese, Hemant Duggal and J B S Vidyadhar (all four from Railways), Joy T Anthony of Kerala, Amar Mohite, Prashant Bhatare and Mayur Ghatnekar (all three from Maharashtra) and Anup Sridhar of Karnataka [ Images ].

Results (men's singles) first round: Abhinn Shyam Gupta (PSCB) bt Nimish Goel (MP) 15-0, 15-7; C M Shashidar (Rlys) bt Abhijeet Nampalli (Knt) 15-2, 15-12; Amar Mohite (Mah) bt V Diju (Rlys) 15-3, 15-6; Hemant Duggal (Rlys) bt Rupesh Kumar [ Images ] (Ker) 15-6, 15-9; J B S Vidyadhar (Rlys) bt Rutupurna Kulkarni (Mah) 15-4, 15-5; Joy T Anthony (Ker) bt Swapnil Vyavaharkar (Mah) 15-2, 15-7; Arvind Bhatt (PSCB) bt Anand Pawar (Mah) 15-8, 9-15, 15-8; Jibi Varghese (Rlys) bt Amrish Shinde (Mah) 15-3, 15-0; Prashant Bhatare (Mah) bt Sanket Shetty (Mah) 15-12, 17-16; Nikhil Kanetkar (PSCB) bt Anuj Gupta (Guj) 15-1, 15-8; Anup Sridhar (Knt) bt Himanshu Thakkar (Mah) 15-6, 15-11; S D S Krishna (AP) bt Sanave Thomas (Ker) 15-12 15-8; Siddharth Jain (PSCB) bt Pallav Deka (Asm) 5-15, 15-9, 15-7; Mayur Ghatnekar (Mah) bt G Guruprasad (Knt) 15-14, 15-7; K Srinivasan (AP) bt Ansuman Hazarika (Asm) 14-17, 15-5, 15-4.