So-So by Noyon Jyoti Parasara, AOL INDIA ...an absolute delight if we look into the technicalities of filmmaking.... full review

Thumbs up by Beth, Beth Loves Bollywood ...arhan Akhtar made Karthik sympathetic and somehow quite relateable despite the fantastic situation he was in. ... full review

Thumbs up by Baradwaj Rangan, Blogical Conclusion, The New Sunday Express ...The subdued scenario called for a more abstract resolution, and the big reveal is too literal. ... full review

Thumbs down by Bobby Sing, Bobby Talks Cinema.com ...The concluding moments of the movie just turn it into a below average flick and ruin all the brilliant build-up... full review

So-So by Roshni Mulchandani, Bolly Spice ...The transition from hermit to extrovert is inevitably hard for an artist but Farhan does it with great ease... full review

So-So by Taran Adarsh, Bollywood Hungama ...Debutante director Vijay Lalwani knows his job well, but he's letdown by his own writing.... full review

So-So by Aparajita Ghosh, Apun Ka Choice ...never really steams up into a taut, edge-of-the-seat thriller because of the somewhat laidback pace... full review

So-So by Daliya Ghose, Bollywood Mantra ...Shankar-Ehsaan-Loy's music was outstanding. The music sparks. Sanu John Varughese’s cinematography is perfect. Dialogues are catchy.... full review

Thumbs up by Raashi Malhotra, BookmyShow ...Sound effects at every point build the mood and the music composition is varied. ... full review

Thumbs up by Shweta Parande, IBN Live ...Deepika Padukone is as fresh as she was in Love Aaj Kal, and plays her bindaas girl part well. There's not much scope for her in this film to show her acting, but she makes a hot pair with Farhan Akhtar.... full review

Thumbs up by Deepa Gahlot, cinemaah ...It doesn’t take much to guess what is going on, but still, the film is engaging, despite its crawling pace... full review

Thumbs down by Aniruddha Guha, DNA ...Why? What? How? The film answers the questions in due time. Only, when it does, you wonder why a round trip was needed to narrate what could have been said in a one-way journey.... full review

Thumbs down by Deepa Garimella, fullhyd.com ...If you take that leap, if you let yourself forget all references coming to your mind, you're golden. For the rest of us who have seen this a lot of times, and better done, the film starts devolving into a bizarrely smug joke.... full review

Thumbs up by Martin D'Souza, Glamsham.com ...Farhan Akhtar is moving from strength to strength as an actor.... full review

Thumbs up by Prtiam Roy, Gomolo.in ...Deepika also delivers a much more refined and confident performance, compared to any of her earlier outings. ... full review

Thumbs up Gyanguru ...she was looking more mature and at the same time there was a great improvement in her acting as well. Her diction in Hindi has improved considerably.... full review

Thumbs up by Mayank Shekhar, Hindustan Times ...As an audience, you’re not always two steps behind the script either. But that doesn’t take away from how the film holds you, almost all the way.... full review

Thumbs down by Ajit Duara, Open Magazine ...The bad thing is that there is this schematic and compartmentalised tone to the film.... full review

Thumbs up by Gaurav Malani, indiatimes .... At the same time he plays with the psyche of the viewer, keeping him guessing about the subgenre of the suspense induced.... full review

So-So Indiaglitz ...The actor is at ease in those sweet romantic scenes ... full review

Thumbs down by Mihir Fadnavis, o.main_site.name ...suffers a major crisis about 40 minutes in, then bad turns to worse.... full review

Thumbs up indiaserver.com ...There are also other interesting faces that are highlighted in the film like Ram Kapoor, Vivan Bhatena, Vipin Sharma, Yateen Karyekar and Shifaali Shah.... full review

Thumbs up by Amrita, Indiequill ...Nobody is going to come watch your movies because it gives the warm fuzzy-wuzzies to be reminded of what happened yesterday at the office.... full review

So-So by Kshitij Mehta, J.A.M ...20 minutes into the second half & one is totally gripped waiting for the story to unfold.... full review

Thumbs up Movie Talkies ... One must confess that the director gives enough clues for a discerning audience to guess what is happening... full review

Thumbs up by Darshit, Movies Music and Me ...between those thrilling moments, Director Vijay Lalwani has brilliantly put touchy moments, to show pain of the protagonist... full review

So-So by Anupama Chopra, NDTV ...works neither as a romance nor as a thriller... full review

Thumbs down by Namrata Joshi, Outlook India ...At the risk of giving away the film I have to say the most singularly problematic figure is that of the shrink... full review

So-So by Ashok Nayak, Now Running.com ...Deepika Padukone is amazingly stylish and looks stunning throughout the movie, however gets little scope to perform... full review

So-So by Subhash K Jha, Now Running.com ..."Karthik Calling Karthik" is a gripping jigsaw, piecing together a mind that plays games with itself.... full review

Thumbs down by Jahan Bakshi, Now Running.com ...It's earnestly performed by Farhan Akhtar, who is fairly effective but can't bring enough personality and substance to the role to rise above the lame writing,... full review

So-So by K K Rai, STARDUST ...Farhan’s chemistry with co- star Deepika Padukone is terrific and it comes out beautifully on the celluloid.... full review

Thumbs up by Sonia Chopra, Sify Movies ...What follows are suspenseful moments and twists that'll leave you shaken. ... full review

So-So real bollywoood ...A very hatke concept, Karthik Calling Karthik (KCK) has been stylishly shot like a taut Hollywood thriller... full review

Thumbs up by Sundaram Kotra, Passion for Cinema ...let’s just hear it for the director here for not taking the beaten track.... full review

Thumbs up by Magik, Passion for Cinema ...The second half is what I may call a pop / simplified / sublime version of No Smoking.... full review

Thumbs up by Jina Dcuz, The Road Not Taken ...Deepika totally fits the ice queen office doll (who is also smart), but I wonder whether she can ever get out of that mould.(Another Aiswarya Rai in the making, I suppose).... full review

Thumbs up by Vivek Syania, Express-oholic ...Farhan Akhtar - This man has showed us how to direct, produce and now act successfully over different films based on different themes... full review

So-So by Shilpa Jamkhandikar, Reuters ...some bad writing and corny dialogues, which take away from the edge-of-the-seat thrill that a film like this should give you.... full review

Thumbs up by Amodini Sharma, Planet Bollywood ...You’d want a thriller, even a subtle one, to get in your face, and wrest from you your undivided attention. KCK can’t do that, because it’s not a tight, taut package.... full review

Thumbs down by Khalid Mohamed, Passion for Cinema ...Then the pyscho-babble comes on thick as a brick. ... full review

Thumbs up by K N Gupta, SmasHits.com ...the script is beautifully textured and constructed though the screenplay isn't that good... full review

Thumbs up by Nikhat Kazmi, Times of India ...Vijay Lalwani's film is immensely watchable, purely for the class act by Farhan Akhtar in the title role... full review

So-So by Pratim D Gupta, The Telegraph ...the calls and the caller turn out to be what we call in movie parlance a Macguffin — a plot element that drives the plot of a film but has very little to do with the film.... full review

So-So by filmbear, Upper Stall ... It lifts itself from the mires of been-there-done-that and the action shifts with some original writing and an even more (relatively speaking) daring settings... full review

So-So by SpiceZee Bureau, ZEENEWS.COM ...Farhan and Deepika make a hot couple and the actress appears fresh and lovely in a short, crisp role... full review

So-So by Sukanya Verma, Rediff ...What is remarkable, however, is to witness is Farhan's evolution as an actor. Despite being a fairly visible face in the media, there's something unpredictable about his aura.... full review