Katrina Kaif and Ranbir Kapoor’s relationship was once among Bollywood’s most-discussed romances, but their Ajab Prem Ki Ghazab Kahani co-star Vishwanath Chatterjee has now revealed that he never witnessed any signs of a budding romance between the two while filming the movie. Instead, he recalled being impressed by Katrina’s discipline, fitness, and commitment to her craft.