The first season received critical acclaim. The second season received mixed reviews.
Saibal Chatterjee of
NDTV rated the series 4 out of 5 stars and wrote, "The Vortex sets a benchmark that will take some doing to emulate". Logesh Balachandran of
The Times Of India rated the series 4 out of 5 stars and wrote, "Suzhal is an intense investigative thriller that has a lot of surprises in store, making it a perfect bingewatch for the weekend". Divya Nair of
Rediff rated the series 4 out of 5 stars and wrote "Even though each episode is about an hour long, you won't even blink". Srivatsan S of
The Hindu wrote, "A terrific star cast makes this layered series all the more effective", further adding that, "this is a rare series where the sum and parts are equally great". Nandini Ramnath writing for
Scroll.in called the series "a nail-biting thriller about secrets & deceptions". The series received criticism from Manoj Kumar B of
Indian Express, who though praised the series for seemingly "being like a huge jump by the standards of Tamil soap operas", also criticised it for not being good enough to match the global standards & stated that the "show's creators have barely scratched the surface with this format of storytelling". Janani K of
India Today rated the series 2.5 out of 5 stars and wrote, "Aishwarya Rajesh, Kathir's series sucks you right in but fizzles", though she praised the climax by writing that, "Pushkar and Gayatri's Suzhal imparts a much-needed message in the climax, which is relevant to society". == Awards and recognitions ==