In the men's dinghy competition, Saravanan, who secured a bronze medal at the Asian Games last year, finished at the 18th spot with a net score of 114 after eight races.
On day four, Vishnu was at seventh spot with seven race points at the end of race seven. However, he slipped to the 24th spot with 24 race points at the end of the eighth race.
Asian Games medalist Vishnu ended the day at the end of race four at the 19th spot, with 19 race points. At the end of race three, he was at number 20 with 20 race points.
Taking part in race 1 with 43 competitors, Vishnu finished at number 10 with 10 race points. However, at the end of race two, he slipped to 34th spot with 34 race points.