Former champion Lakshya Sen matched his opponent in the fast-paced rallies but lacked finishing as he suffered his second loss to Loh in three meetings this year.
Lakshya, ranked world number 21, matched his opponent in the fast-paced rallies but he lacked finishing as he went down 18-21 12-21 to 39th ranked Loh in 45 minutes.
Sindhu, seeded third, prevailed 21-19 21-9 over Christophersen, ranked 24th in the world, in 37 minutes late Thursday night.
Also in action will be Saina Nehwal, who has recovered from her groin injury, which had forced her to retire midway through her first match at the Uber Cup Final last week.
The men's team will take on Netherlands later in the day.
Coach Gaurav Khanna set up an academy and built a disabled-friendly accommodation-cum-recovery centre raising Rs 1 crore loan for these para athletes in Lucknow
If there was one person who had the ability to save the fortunes of the sport from plummeting, it was of course Sindhu. No wonder the nation considers her an all-time great.
The Indian used her trademark straight and cross-court smashes and drops to trouble the Israeli, who couldn't utilise the few opportunities that came her way.
Guilty of often losing matches from winning positions, Praneeth said he has been paying special attention to closing out narrow games as part of his preparation for the showpiece.
Former world no 1 Srikanth and London Games bronze-medallist Saina's hopes were all but dashed when the last of the Olympic qualifiers in Singapore was cancelled due to the COVID-19 pandemic.
The Dronacharya Awardee feels there is a need for programs that turn former players into coaches.
BAI is in touch with the Singapore Badminton Association and is trying to find the best possible way regarding the mandatory 21-day quarantine rule.
India have been accorded the top seed this time and are clubbed with Sri Lanka, Pakistan and Scotland in Group A.
The two-time Commonwealth Games medallist said though confident, the Indian team is not going to take any opposition lightly.
HS Prannoy will start his tournament with a second-round clash with the winner of the match between Mauritius' Paul Christopher Jean and Seychellois Steve Malcouzane.