Mani Ratnam’s O Kadhal Kanmani generated pre-release speculation that it would be a sequel to Alaipayuthey, though the director has denied this connection; nevertheless, the film shares a kinship with its predecessor. The circumstances surrounding their creation have striking parallels. Following box office disappointments like Iruvar and Dil Se, Mani Ratnam made Alaipayuthey at a time when questions arose about whether the filmmaker was losing touch with his audience. Now, after Raavanan and Kadal underperformed, those same concerns are surfacing again. The film demonstrates that he still possesses the ability to bring romance to life on screen. With contributions from PC Sreeram, whose beautifully lit cinematography showcases both Mumbai’s vibrancy and the couple's modest living space, and AR Rahman, with his contemporary music and score that energizes each scene, Mani Ratnam has delivered a romantic film for today's audiences. Unlike Kadal, which never quite coalesced despite some memorable moments, the scenes in this film flow naturally, allowing viewers to fully appreciate the easygoing romance between Adhi and Tara (played by Dulquer Salmaan and Nithya Menon, who have palpable chemistry). Certain scenes appear deliberately reminiscent of Alaipayuthey. Like that earlier film, their initial meeting occurs at a train station and a wedding; they court each other on a train journey. Even the families’ financial backgrounds—Tara is wealthy while Adhi comes from a middle-class family—and their modern careers (where Alaipayuthey's Karthik worked in an IT startup and Shakti was a medical student, Adhi here designs video games, while Tara studies architecture) bear similarities. As in Alaipayuthey, Tara embarks on a study tour (this time to Ahmedabad), and Adhi follows her there. An older couple also plays a role in guiding their romance, and there's even a search for someone that ultimately helps the leads understand what they truly desire. However, this is a love story centered on young people who place equal importance on career and relationships. Consequently, unlike Karthik and Shakti from Alaipayuthey, who were eager to marry, Adhi and Tara want to be together but acknowledge their relationship has a limited timeframe (similar to Arjun and Meera in Ayitha Ezhuthu), as she’s going to Paris for advanced studies while he may move to the US or UK to increase his earnings. They opt for a live-in arrangement with Ganapathy (Prakash Raj, delivering one of his most subtle performances since Vettaiyaadu Vilayadu) and Bhavani (Leela Samson in an energetic return to acting). Ganapathy is a retired banker, and Bhavani is a classical singer experiencing the early stages of Alzheimer's; their relaxed dynamic provides a highlight. Despite its lively energy, sharp dialogue, and youthful feel, there are moments when the film feels somewhat lacking in dramatic tension due to the absence of significant conflict. This is particularly noticeable in the second half, where the characters occasionally seem to repeat themselves (the sequence where Adhi and Tara resolve to make the most of their remaining time together feels unnecessary). Excessive screen time is also devoted to the video game Adhi is developing—an action thriller set in Mumbai involving a hero rescuing a heroine from a two-headed villain—which seems like a discarded script from Ratnam’s past. These are minor issues that aren't overly concerning, though they should be noted given our high expectations for this director. They don’t detract significantly from the film’s entertainment value, and more importantly, it marks a welcome return to form for one of India’s leading filmmakers.

Source on TMDB