Srikanth brushed aside Alen 21-4 21-11 in a lop-sided opening round contest that lasted 21 minutes last night. He will face Japan's Yusuke Onodera next.
Meanwhile, Subhankar Dey defeated China's Zhao Junpeng 16-21 21-17 21-19 to set up a clash with fifth seed NG Ka Long Angus of Hong Kong, while Harshit Aggarwal defeated USA's Bjorn Segun 18-21 21-8 21-6 in another match.
Harshit will next face eighth seed Hu Yun of Hong Kong.
Tanvi lost 14-21 12-21 to Indonesia's Priskila Siahaya, while Siril suffered a 13-21 10-21 loss against China's Lin Dan and Harsheel went down 13-21 12-21 to Chinese Taipei's Chou Tien Chen, seeded sixth.
Rahul Yadav Chittaboina also suffered a 18-21 18-21 defeat against Israel's Misha Zilberman in another men's singles opening round match.