Paresh Rawal with Kriti Kharbanda on the set

For a Punjabi kudi with acting experience in Kannada films, how difficult could learning a new language be? Ask Kriti Kharbanda, Emraan Hashmi's heroine from Raaz Reboot, who plays a Gujarati girl in her second film, Ashwini Dhir's Atithii Iin London'.