Karan, who is a known face on television with shows like 'Qubool Hai' and 'Dill Mill Gaye' in his kitty, was last seen in Bollywood film 'Alone' alongside Bipasha Basu.

"I have always played the sweet, lovable good guy... This film had a negative role for me. This film gave me the opportunity to grow as an actor. It's a hit franchise, so it's a bonus to be a part of it," Karan said.

Karan is playing a negative character for the first time and he said venturing into the grey area was a challenge for him.

Produced by Bhushan Kumar, "Hate Story 3" also stars Sharman Joshi, Daisy Shah and Zarine Khan.

"He (Sharman) is a good actor... I think I got better because of him. Daisy and Zarine both have done a good job. I had a great time working with them," Karan said.

The film directed by Vishal Pandya is set to release on December 4.

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