Varma's comeback film will release on May 27, the same day as Kashyap's drama-thriller "Raman Raghav".
Interestingly, while RGV's film traces the life of sandalwood smuggler and bandit 'Veerappan', the "Bombay Velvet" director's next focuses on a serial-killer.
When asked if "Veerappan" will clash with Kashyap's film, Varma told reporters here, "Yes that's what I was told. His film is coming, 'Raman Raghav', that is a biopic on a killer, our film is also a biopic on a killer, so may the best killer win."
When asked about his cold war with Kashyap, Varma said, "I never have cold war, I have only hot war... We have a bond. I love him, he hates me."
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Incidentally, when Kashyap's "Bombay Velvet" tanked at the box-office last year, Varma called it the "Aag" of Kashyap's career, a self-deprecating taunt.
When prodded further about what kind of relationship RGV shares with the "Ugly" director, Varma said, "We both are not making any films together. He hates all my films and I like some of his. Beyond this there is no connection at all."
"Veerappan" is the Hindi remake of the Kannada film which was also helmed by Varma.
The film is produced by Sachiin Joshi, who also stars in the film along with Sandeep Bharwaj, Lisa Ray and Usha Jadhav.