Jayaram was placed at 20th spot with 43673 points, while B Sai Praneeth, who improved his ranking after his maiden Canada Open win, slipped two places to 35th due to his early exit from the last week's US Open.
Among other men's singles shuttlers, Srikanth Kidambi, Sameer Verma and H S Prannoy remained unchanged at 11th, 38th and 29th positions respectively.
Anand Pawar, who lost to Jayaram in the US Open quarterfinals, was the biggest gainer with a jump of 16 positions to world number 77.
Besides, Rio bound men's doubles pair of Manu Attri and B Sumeeth Reddy remained static at 21 even after their Canada Open win, while women's doubles combination of Jwala Gutta and Ashwini Ponappa retained thier 21st position.