a newcomer" before his producer insisted they looked at Silambarasan, with Menon revealing that he was unimpressed with the actor's previous work. The film was in production for close to a year and throughout the opening week of filming, promotional posters from classic Indian romantic films were released featuring the lead pair. Prior to release, the film became the first Tamil project to have a music soundtrack premiere outside of India, with a successful launch at the BAFTA in London. Upon release, the film achieved positive reviews, with several critics giving the film "classic" status, whilst also become a commercially successful venture. Reviewers praised Menon citing that "credit for their perfect portrayal, of course, goes to Gautam Vasudev Menon. This is one director who's got the pulse of today's urban youth perfectly" and that "crafted a movie that will stay in our hearts for a long, long time." Soon after the Tamil version began shoot, Menon decided to begin a Telugu version titled Ye Maaya Chesave (2010) and release it simultaneously, with featuring a fresh cast of Naga Chaitanya and debutante Samantha. Like the Tamil version, the film won critical acclaim and was given "classic" status from critics, as it went on to become among the most profitable Telugu films of 2010. In 2016, he revealed that he had scripted a spin-off film from Vinnaithaandi Varuvaayaa titled Ondraga, where the character of Karthik's life would be followed eight years after the happenings of the previous film. He next began research and pre-production work on a 1920s period spy thriller titled Thuppariyum Anand in early 2010, with both Ajith Kumar and then Suriya considered for the lead roles, but the film failed to progress. Menon had also made progress over the previous two years directing the psychological thriller Nadunisi Naaygal (2011) featuring his assistant and debutant Veera Bahu and Sameera Reddy. Menon claimed that the film was inspired by a true event from the US, while also claiming that a novel also helped form the story of the film. During the making, he explicitly revealed that the film was for "the multiplex audience" and would face a limited release, citing that "it will not cater to all sections of the audience". He promoted the film by presenting a chat show dubbed as Koffee with Gautham where he interviewed Bharathiraja and Silambarasan, both of whom had previously worked in such psychological thriller